A team of underwater demolition experts embarks on a mission to find a safe landing site for the US military to launch an invasion on a South Pacific island occupied by Japanese army and naval forces. But first the commander and his men must put aside their personal differences to ensure the mission is successful. Thriller, starring Richard Widmark, Dana Andrews and Gary Merrill.

The new commander of a Navy Underwater Demolition Team--nicknamed "Frogmen"--must earn the respect of the men in his unit, who are still grieving over the death of their former commander and resentful of the new one.