A boy is caught messing around with a 15-year-old girl in the back seat of his car, gets arrested for statutory rape and is sentenced to Southern Michigan Prison. There he is cared for by the kindly warden who lets him tend his beloved garden. Their friendship is destroyed when the warden's daughter falls for the young convict. During a prison riot, the boy escapes and is concealed by his lover. Eventually he turns himself in. His girl promises to wait for him.