Next door neighbors to the young Decker family are an odd, secretive couple. They've been fairly friendly, but now they hide in their home, not answering the doorbell or phone. Eventually they learn the neighbors are being targeted by mobsters for knowing too much.
Grade school psychologist Ben Ellison is given a tough case in Johnnie, a vicious little juvenile delinquent, not yet a teenager. To gain his confidence, the doctor plays along with Johnnie's fantasies about planning an armed jewelry store robbery, that might include killing witnesses.