Karl [CENSORED]ers, now a grown man, is released from a psychiatric hospital where he has been hospitalized since the age of 12 for the murder of his mother and her lover. He returns to his [CENSORED]hood town and although being mentally handicapped, gets a job fixing small motors at a local repair shop. Karl befriends a young boy, Frank, and is soon invited by Frank's mother, Linda, to move into the family's garage. As a strong relationship develops between Karl and Frank, a confrontation builds with Linda's abusive and sometimes violent boyfriend Doyle.
