The crew of PT-73 are in trouble again when Ensign Parker is mistaken for a pilot and gets shanghied into the Air Force.

The crew of PT-73 get into trouble when they back the wrong horse in a race. Now they have to come up with a way to raise the money to pay off the winners.

An experienced South Pacific Sea Dog by the name of Quinton McHale, was commissioned as a Lieutenant Commander into the U.S. Navy Reserve at the start of World War II. McHale was made the Skipper of the Torpedo Patrol (PT) Boat #73 stationed at the U.S. Naval Installation on the island of Taratupa in the Southwest Pacific. The 73 'Family' included, among others, a con man and amateur Magician, a womanizing hunk, a dedicated Family man, a guitar-playing, moonshine-making Tennessee good ol' boy, and even a deserter from the Japanese Navy, who was an excellent cook.

A luckless army intelligence lieutenant finds himself stationed on a remote island army outpost during World War II, where all the action is between the sheets.