अपनी भाषा में प्लॉट जोड़ेंA lone survivor from a British naval ship is obsessed with getting revenge on a German U-boat crew that massacred his shipmates in the water.A lone survivor from a British naval ship is obsessed with getting revenge on a German U-boat crew that massacred his shipmates in the water.A lone survivor from a British naval ship is obsessed with getting revenge on a German U-boat crew that massacred his shipmates in the water.