You're Never Too Young

When barber's assistant Wilbur unwittingly becomes involved in a heist, he tries to get away by train. He is unaware that gangster Noonan has slipped a stolen diamond into his pocket. Unable to pay the fare, Wilbur dresses up as a young boy and sits with teacher Nancy. When one of Nancy's colleagues sees Wilbur, she concludes that Nancy is cheating on Bob, her fiancé. Wilbur remains disguised to prove Nancy's innocence and evade Noonan.