During World War II, sub commander Jeff Conway
(Cliff Robertson) is captured by the Japanese and
taken for questioning to a small Pacific Island.
There he learns that the island's owner, Karen
Phillips (Gia Scala), is acting as interpreter for the
Japanese. At first, suspicious of her offer to help him.
Jeff comes to trust Karen and, with her help, leads a
successful escape.
Once free, Jeff tries to get the information which he
has learned about the location and plans of the
Japanese fleet to the American warships. After
battling against great odds, Jeff manages to convey
his all-important information to the American Naval
Command. This leads to the U.S. victory in the
Battle Of The Coral Sea