Tom Henderson is made Sheriff of Chico to fight Slim Walker's gang. Unknown to Tom, banker Luke Hargrave is the gang's real boss. Dad Kane is looking for the man that blinded him whom he can remember by his voice. He finds him when the gang robs the bank and Tom chases them down.

Celebrated as supersleuth, Mr. Moto comes out fighting when a brutal boxing match turns into cold-blooded murder! Assisted by detective-in-training Lee Chan, Moto sets out to track down the killer based on a single ominous clue: a poisoned boxing glove! But when Moto's hunch points to a corrupt gambling syndicate, he's forced to wager his very life to unmask the culprit—or go down for the count...permanently!