Carl Moss leaves jail,where he has taken the rap for his evil twin Sterling,and has been declared a model prisoner. Pauline Sneek,his probation officer - and girlfriend - gets him community work teaching youngsters how to lead law-abiding lives. This displeases Sterling,as he needs young delinquents for his bicycle stealing ring,and there is a showdown which results in the death of one of the twins - but which is it?