Act as a seasoned screenwriter with expertise in dystopian and survival narratives. Develop a compelling script about [MAIN CHARACTER], a [PROFESSION/BACKGROUND] who must navigate a [POST-APOCALYPTIC SETTING] after [CATACLYSMIC EVENT]. The story should explore themes of resilience, morality, and human connection. Include key scenes where the character faces [CHALLENGE 1], [CHALLENGE 2], and [CHALLENGE 3], each testing their survival skills and ethical boundaries. Ensure the dialogue is gritty yet poignant, and the world-building is immersive. The script should culminate in a climactic moment where the character must decide between [MORAL DILEMMA]. Provide detailed descriptions of the setting, character arcs, and tension-building sequences.