Bad blood between heavyweight title contenders Bill Steele and Frankie Stanton leads to a grudge match, but Stanton's death after a knockout blow raises suspicions. Poison was found in a cut above Stanton's eye, with several suspects, including gamblers and the fight promoter, having wagered on the outcome.
Mr. Moto's Gamble
Moto must uncover the identity of the gambler who bet against the heavyweight contender to find the motive behind the mysterious poisoning that occurred during the bout.