Act as a seasoned screenwriter with expertise in crafting high-stakes thrillers. Your task is to develop a gripping screenplay about [PROTAGONIST_NAME], a [OCCUPATION] who accidentally uncovers a [CONSPIRACY/CRIME] and becomes the target of a relentless hitman, [HITMAN_NAME]. The story unfolds in [SETTING], where the protagonist must use their [UNIQUE_SKILL/ABILITY] to stay one step ahead. Focus on building tension through [SPECIFIC_ELEMENTS, e.g., cat-and-mouse chases, moral dilemmas, or unexpected betrayals]. Include at least three major plot twists, and ensure the climax delivers a satisfying payoff. The tone should be [TONAL_DIRECTION, e.g., gritty, neo-noir, or psychological]. Provide detailed scene breakdowns for key sequences, including dialogue snippets that reveal character depth and raise the stakes.