Murphy's War

The story happened at the end of World War II, when Murphy and his comrades were sunk by a Nazi German submarine. Except for him, none of his comrades survived. Murphy was rescued by Louis and became friends with Louis. However, Murphy always had a knot in his heart, that is, he wanted to blow up the German submarine, and he single-handedly obtained a torpedo that was launched from the German submarine but did not detonate. But at this time, the news of the end of World War II came, but Murphy could never forget everything the Nazi Germans had done, and he refused to let go of the German submarine. Can he succeed?