A series of eleven grocery and jewelry store robberies seem to be connected but Sgt Friday has no leads. But a reformed thief clues in the detectives that a man named Chet may be responsible.
Joe and Frank try to find out who badly assaulted a woman in the street. Their two suspects are her husband and a mentally ill man. The woman can't help them because she is in a coma.
Sgt Joe Friday and officer Smith struggle to crack a case involving a cat burglar. With all their leads going nowhere and evidence scarce the case seems to be leading to a dead end. Then their luck changes.
Friday and his partner Smith race against time to stop a series of brutal beatings of women in the Hollywood area. Just when they think they have their man, things change and very quickly.
A worried woman contacts Friday and Smith when her elderly mother mysteriously disappears and suspects her father of foul play, a suspicion that proves to be correct when blood is found at her old house.
An elderly man and his invalid daughter are severely beaten during a home invasion. When the father dies and the daughter ID's one of the perps Friday and Smith start the hunt.
Joe Friday searches for a check forger who has been using the name of the old-time movie villain Parker Allington, who died three years ago. The search takes him to a former extra who has given up show business for crime.
Two brothers have perfected a real estate scam that relieves prospective homeowners of their money. Sgt Friday must develop a plan that will send the grifters away to prison.
An informant tips off Joe and Frank about a major narcotics shipment arriving in Los Angeles, and Joe goes undercover to trace the heroin to its source.
Friday and Smith attempt to solve a series of car thefts but are getting nowhere until they learn that the car thieves are selling the stolen cars illegally.
Mrs. Vesper, an old friend of detective Frank Smith, reports bring robbed and suspects a newly hired maid. The police learn of falsified references and after apprehension bizarre explanations for the thefts.
