Despite being haunted by past missions in which many of his men perished, Maj. James Wilson (Lloyd Bridges) sets out with his top-notch team of commandos to destroy a prized Nazi stronghold on the coast of France. Assigned to the same task are a crew of British seamen and their captain (Andrew Keir) -- who's holding a grudge against the maverick Wilson. Will bad blood and the overwhelming odds doom the Allies and their operation?