Lieutenant Rip Crandall is hoodwinked into taking command of the "Wackiest Ship in the Navy" – a real garbage scow with a crew of misfits who don't know a jib from a jigger. What none of them knows, including Crandall, is that this ship has a very important top-secret mission to complete in waters patrolled by the Japanese fleet. Their mission will save hundreds of allied lives – if only they can get there in one piece.
Three delinquents murder a prosperous farmer at an isolated farm house. One witness to the crime - the dead man's secretary - is then taken hostage. The other witness - her young son - is thrown into state of shock. Can he recover soon enough to help the police - and his father - rescue his mother before it's too late?
Marshal "Rocky" Lane comes to the aid of Sheriff Bill Walters who is having a hard time trying to save the local farmers and ranchers from raids and hijackings.
Kit Madden is traveling to Hollywood, where her best-selling novel is to be filmed. Aboard the train, she encounters Marines Rusty and Dink, who don't know she is the author of the famous book, and who don't think much of the ideas it proposes. She and Rusty are greatly attracted, but she doesn't know how to deal with his disdain for the book's author.
Texas Ranger Sunset Carson is given the mission of tracking down the notorious Marshall gang. Uncovering their hideout, he discovers the gang is led by Ann Marshall and is comprised of three of her ranch-hands, Dakota, PeeWee and Buckskin. He soon learns that they are the innocent victims of a ring of swindlers and cattle rustlers led by the ruthless Matt Conroy.