Sandra Carpenter is a London-based dancer who is distraught to learn that her friend has disappeared. Soon after the disappearance, she's approached by Harley Temple, a police investigator who believes her friend has been murdered by a serial killer who uses personal ads to find his victims. Temple hatches a plan to catch the killer using Sandra as bait, and Sandra agrees to help.
When the US Navy fleet docks at San Francisco, sailor Bake Baker tries to rekindle the flame with his old dancing partner, Sherry Martin, while Bake's buddy Bilge Smith romances Sherry's sister, Connie. But it's not all smooth sailing—Bake has a habit of losing Sherry's jobs for her and, despite Connie's dreams, Bilge is not ready to settle down.
A taxi dancer with a jealous husband finds herself falling for a wealthy client.
Young undefeated boxer Terry Dolan, who's been lying to his invalid mother about his career, confides to Maisie that he hates and is terrified by boxing and wants out. Not wanting to let down his best friend and manager Skeets Maguire, who has hopes of him becoming the next champion, he is reluctant to bring up the subject with him. Maisie convinces Terry to tell Skeets, whose unexpected reaction induces him to step into the ring again.
In a world wherein cars act like humans, Junior wants to be a taxi, but his mother wants him to grow up to be a nice touring car like his father. Mom doesn't know that Junior sometimes skips school and ventures into the city to ride in traffic, drink hi-test gas, and race trains.