The bewildered wife of a bigamist allows her child to be adopted and then regrets it.

When police inspector Gerald Blake wants to infiltrate a London stolen-goods gang, he does a thorough job of it. First, he robs a jewelry store, gets caught and is sentenced to prison. Then he teams up with gang-member Joey to make their escape. Once in the gang, Blake identifies the boss, Larry, and most of the other thieves, but not the "inside man." As a big fur job looms closer, the detective's task is complicated by the playful but seductive advances of Judy, a dazzling blonde who happens also to be the jealous Larry's girl friend.

The favourite for the big race is nobbled and suspicion falls on the owner. His secret admirer proves it wasn't him.

One day in the lives and loves of the staff in a large department store.