Scotland Yard detective Patrick Holt is hot on the trail of a gang of thieves. Holt goes undercover, joining the gang and participating in a few heists. The gang catches on, but decides not to kill Holt under their next caper. Will our hero be able to contact the Yard in time save his neck? 13 East Street was produced by Robert S. Baker and Monty Berman, the same team responsible for the popular 1960s TV adventure series The Saint.