A writer for a greeting card company learns the true meaning of loneliness when he comes home to find his girlfriend in bed with another man.

Underworld attorney Leo Barnes hires Gus Monk to safeguard a valuable envelope containing information on a mobster. Monk refuses — until he meets Mrs. Barnes and jumps on a merry-go-round of viciousness and murder.

Slick lawyer Thomas Farrell has made a career of defending mobsters in trials. It's not until he meets a lovely showgirl at a mob party that he realizes that there's more to life than winning trials. Farrell tries to quit the racket, but mob boss Rico Angelo threatens to hurt the showgirl if Farrell leaves him.

Marine Sergeant James O'Hearn is being tried at the San Diego Marine base for desertion, theft, scandalous conduct and destruction of property in time of war. He refuses to testify or plead guilty or not guilty to the charges. Showgirl Ginger Martin takes the stand against his protest. She testifies O'Hearn won't talk because he is protecting the name of his pal, Marine Private Davey White. Ginger tells how she, broke and stranded, met the two marines in Shanghai two weeks before Pearl Harbor.