High Line

After multiple brutal attacks along a desiccated canal, a single dad and wildlife officer pieces together a map that points to a planned land grab—if he can’t stop the developer’s plan, the town will be paved over and the predators will be used as cover.

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Overview

Poster
Unique Selling Point

The script's unique selling proposition is its innovative fusion of environmental thriller, neo-western, and conspiracy drama. Unlike typical creature features, it uses the mountain lion as a symptom of larger systemic manipulation—water being weaponized to clear land for development. The dry canal becomes both literal setting and powerful metaphor for scarcity, control, and what happens when natural systems are disrupted. This elevates it beyond simple predator horror into a sophisticated commentary on resource wars and human encroachment.

AI Verdict & Suggestions

Ratings are subjective. So you get different engines' ratings to compare.

Hover over verdict cards for Executive Summaries

GPT5
 Recommend
Gemini
 Recommend
Grok
 Recommend
Claude
 Consider
DeepSeek
 Recommend
Average Score: 8.1
Key Takeaways
For the Writer:
To improve the script's craft, focus on clarifying the mechanics of the human-animal conspiracy, such as providing explicit causal links between water diversion and mountain lion behavior, to strengthen the mystery's foundation and avoid audience confusion. Additionally, deepen secondary character arcs, like Bruce's dementia and Sean's personal stakes, by integrating them more actively into the plot for better emotional resonance and pacing, ensuring the story's themes of environmental and familial tension are more cohesively explored.
For Executives:
The script has solid value as an atmospheric eco-thriller with a timely conspiracy angle, appealing to audiences who enjoy shows like Yellowstone or True Detective, and it offers strong visual hooks for production. However, risks include potential viewer disengagement from vague antagonist mechanics and underdeveloped characters, which could weaken the series arc and make it feel derivative if not refined; market perception is moderately positive but hinges on polishing these elements to stand out in a crowded genre.
Story Facts
Genres:
Thriller 50% Horror 30% Drama 30% Crime 20% Action 15%

Setting: Contemporary, High Line Canal and surrounding suburban areas in Colorado

Themes: Exploitation of Nature and Resources, Nature's Retaliation/Consequence, Corruption and Power/Human Will vs. Natural Forces, Humanity vs. Nature, Memory and Trauma, Family Dynamics and Generational Disconnect

Conflict & Stakes: The primary conflict revolves around the threat posed by a mountain lion and the environmental issues surrounding the dry High Line Canal, with stakes including public safety, personal loss, and the investigation into potential human interference.

Mood: Tense and suspenseful, with underlying themes of melancholy and reflection.

Standout Features:

  • Unique Hook: The juxtaposition of suburban life with the lurking threat of wildlife, particularly the mountain lion.
  • Plot Twist: The revelation of Glover Thompson's involvement in the environmental manipulation and the connection to the mountain lion attacks.
  • Distinctive Setting: The High Line Canal serves as a central, symbolic location representing both environmental neglect and the intersection of human and wildlife territories.
  • Innovative Ideas: The screenplay explores the consequences of water scarcity and its impact on wildlife behavior, providing a fresh perspective on environmental issues.

Comparable Scripts: The River Wild, A Quiet Place, The Call of the Wild, The Road, Stranger Things, The Girl with All the Gifts, The Last of Us, Into the Wild, The Edge

Script Level Analysis

Writer Exec

This section delivers a top-level assessment of the screenplay’s strengths and weaknesses — covering overall quality (P/C/R/HR), character development, emotional impact, thematic depth, narrative inconsistencies, and the story’s core philosophical conflict. It helps identify what’s resonating, what needs refinement, and how the script aligns with professional standards.

Screenplay Insights

Breaks down your script along various categories.

Overall Score: 7.54
Key Suggestions:
To improve the script from a creative standpoint, prioritize deepening the character arcs of supporting figures like Bruce and Sean by incorporating flashbacks and subplots that reveal their backstories, which will add emotional layers and make family dynamics more compelling. Additionally, refine pacing by streamlining exposition-heavy scenes through organic integration into dialogue and action, ensuring a tighter narrative flow that maintains tension and enhances overall engagement.
Story Critique

Big-picture feedback on the story’s clarity, stakes, cohesion, and engagement.

Key Suggestions:
The script excels in building atmosphere and character depth, particularly through its environmental metaphors and family dynamics, but to enhance its craft, focus on streamlining pacing by reducing exposition and integrating more action-driven sequences. Deepening the motivations of secondary characters like Glover Thompson will create stronger conflicts and a more cohesive narrative, ensuring that the story's tension and themes are delivered with greater impact and clarity.
Characters

Explores the depth, clarity, and arc of the main and supporting characters.

Key Suggestions:
The character analysis highlights opportunities to strengthen the script by deepening emotional arcs and relationships, particularly for Sean, whose adolescent struggles could be more nuanced to reflect universal themes of independence and family conflict. Enhancing Matt's military backstory and the mountain lion's symbolic role will add layers of tension and thematic resonance, ensuring characters drive the narrative with compelling motivations and growth, ultimately elevating the story's emotional impact and audience connection.
Emotional Analysis

Breaks down the emotional journey of the audience across the script.

Key Suggestions:
The script's emotional core is strong in suspense and empathy for the protagonist, but it could be enhanced by incorporating more varied emotional tones, such as moments of genuine joy or humor, to balance the heavy focus on fear and tension. Addressing emotional fatigue in high-intensity sequences and deepening secondary character development will create a more nuanced, engaging narrative that avoids monotony and strengthens audience investment, ultimately making the story more impactful and memorable.
Goals and Philosophical Conflict

Evaluates character motivations, obstacles, and sources of tension throughout the plot.

Key Suggestions:
The analysis highlights a strong foundation in Matt's internal and external goals, driving character development and thematic depth, but to elevate the script's craft, focus on integrating the philosophical conflict more seamlessly into everyday scenes and dialogue. This will enhance emotional resonance and ensure that the themes of progress versus preservation feel organic rather than didactic, allowing for a more nuanced exploration of Matt's evolution and making the narrative more compelling and relatable.
Themes

Analysis of the themes of the screenplay and how well they’re expressed.

Key Suggestions:
From a creative perspective, the script's strong thematic foundation on environmental exploitation can be enhanced by deepening character arcs to better mirror the ecological themes, such as expanding Matt's trauma to symbolize broader human consequences, ensuring that personal and familial conflicts feel organically tied to the larger narrative. This would add emotional resonance and avoid potential preachiness, making the story more engaging and nuanced for viewers.
Logic & Inconsistencies

Highlights any contradictions, plot holes, or logic gaps that may confuse viewers.

Key Suggestions:
The script's inconsistencies, such as character behaviors not aligning with their established traits and unresolved plot elements, disrupt immersion and authenticity. To enhance the narrative, focus on grounding character actions in consistent motivations, filling logical gaps like the human-animal coordination, and streamlining redundant elements to create a tighter, more engaging story that better serves the environmental thriller theme.

Scene Analysis

All of your scenes analyzed individually and compared, so you can zero in on what to improve.

Scene-Level Percentile Chart
Hover over the graph to see more details about each score.
Go to Scene Analysis

Other Analyses

Writer Exec

This section looks at the extra spark — your story’s voice, style, world, and the moments that really stick. These insights might not change the bones of the script, but they can make it more original, more immersive, and way more memorable. It’s where things get fun, weird, and wonderfully you.

Unique Voice

Assesses the distinctiveness and personality of the writer's voice.

Key Suggestions:
The writer's voice excels in building atmosphere and tension through vivid, sensory-rich descriptions, which effectively underscore themes of environmental loss and human vulnerability. To enhance the script, consider varying the pacing in descriptive passages to avoid overwhelming the narrative, and deepen character dialogues to reveal more internal conflicts, ensuring that the subtext not only supports but also propels the plot forward, making the story more dynamic and emotionally compelling.
Writer's Craft

Analyzes the writing to help the writer be aware of their skill and improve.

Key Suggestions:
To enhance the script's creative craft, focus on weaving deeper subtext into dialogues to reveal unspoken emotions, refining pacing to build and sustain tension more effectively, and expanding character development to explore internal conflicts and motivations. By addressing these areas, the writer can create a more immersive, emotionally resonant narrative that leverages the script's strong atmospheric elements and thematic depth for greater impact.
Memorable Lines
Spotlights standout dialogue lines with emotional or thematic power.
Tropes
Highlights common or genre-specific tropes found in the script.
World Building

Evaluates the depth, consistency, and immersion of the story's world.

Key Suggestions:
The script's world-building is a strong asset, effectively using the dry canal and contrasting environments to build tension and thematic depth, but to enhance creative craft, focus on integrating these elements more dynamically with character development. For instance, ensure that environmental motifs like the canal evolve alongside characters' emotional arcs, avoiding static symbolism that could feel repetitive, and use cultural and societal details to add layers of conflict and growth, making the story more engaging and less predictable.
Correlations

Identifies patterns in scene scores.

Key Suggestions:
The script's strength lies in its tense, suspenseful build-up and emotional depth, but to elevate it, focus on weaving character-driven emotional moments more tightly into plot progression for better cohesion. Additionally, enhance dialogue in reflective scenes to maintain consistency and depth, ensuring that atmospheric elements complement rather than overshadow interpersonal dynamics, ultimately creating a more balanced and engaging narrative.
Loglines
Presents logline variations based on theme, genre, and hook.