Mysterious Mr. Moto

Japanese detective Mr. Moto (Peter Lorre) dons an inmate's disguise to help Scotland Yard hunt down a gang of dangerous assassins in the fifth installment of this long-running mystery series. Centered around the character created by Pulitzer Prize-winning novelist J.P. Marquand, the plot finds the well-mannered Mr. Moto trying to help his cellmate (Leon Ames) break out of jail, all so that the sleuth can get the dirt on his unlawful friends. (official distributor synopsis)