At the height of Hitler's infamous U-boat war, the crew of the U.S.S. Swordfish were heading home after months at sea. They never made it. Now prisoners of war aboard U-boat 429, a small group of American survivors will find their loyalties put to the ultimate test when they're forced to join their German captors to fight for their very lives.—Anonymous
William H. Macy, Til Schweiger, Thomas Kretschmann
IMDB plot
When American submarine Swordfish is torpedoed the survivors are picked up by a passing German U-boat but an outbreak of meningitis threatens all aboard.