
15 plot points

U-96 submarine docked in La Rochelle. Crew is cheerful, lively. Introduces normal military life before tension and danger.
Theme of claustrophobia, survival, and futility of war. Emphasizes psychological strain and moral dilemmas under extreme conditions.
Crew preparing submarine, inspecting vessel, playful banter. Relationships, hierarchy, and personalities established. Departure imminent.
Submarine departs port for mission. First encounters of danger: depth charges, tension, risk of death. Crew realizes isolation and stakes.
Crew questions their situation, fate, and morality. Claustrophobia and fear mount. Should they continue mission? Can they survive? Human limits tested.
First successful attack on Allied ship. Morale rises but tension increases. Entering deeper into danger, mission becomes deadly serious.
Crew dynamics: camaraderie, rivalry, and emerging friendships. Human connection in extreme isolation. Emotional anchor amid chaos.
Patrolling Atlantic. Engaging enemy vessels. Close calls, cat-and-mouse tactics. Tension, suspense, and technical mastery showcased.
Submarine heavily damaged by depth charges. Crew injured. False defeat: survival uncertain. Emotional stakes peak. Mortality confronted.
Crew morale declines. Supplies low, injuries mounting. Enemy attacks relentless. Psychological pressure intense. Isolation and fear dominate.
Critical systems fail. Death seems imminent. Crew despairing. Emotional and physical low point.
Captain and crew reflect on their mission, humanity, and survival. Emotional and moral questioning. Desperation peaks.
Crew finds resilience. Repairs vessel. Plans clever escape. Determination and ingenuity surge.
Submarine returns to port. Survivors exhausted but alive. Human spirit, sacrifice, and endurance highlighted. Emotional closure.
U-96 docked. Crew disembarks quietly. Juxtaposition of normalcy and trauma endured. War's futility and human perseverance linger.