A waitress at the Warner Brothers commissary is anxious to break into pictures. She thinks her big break may have arrived when actors Jack Carson and Dennis Morgan agree to help her.

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.

Shortly after Pearl Harbor, a squadron of PT-boat crews in the Philippines must battle the Navy brass between skirmishes with the Japanese. The title says it all about the Navy's attitude towards the PT-boats and their crews.