The gang teams up with a fighter to break up a fight-fixing racket. At a N.Y. boxing arena, the Bowery Boys are stunned when their friend & rookie boxer, Jimmy, is killed during his fight. Slip & Sach track down Jimmy's older brother Johnny, an alcoholic ex-boxer. With the gang's help, Johnny rediscovers his will to fight while attempting to take down crooked boxing manager Gabe Moreno.
