A delinquent teenager's only link to society is the attachment he feels towards an older brother-figure. When the older boy starts spending time with a new girlfriend, the teenager begins to feel even more alienated, and gets involved with drugs and the police.
Julia is babysitting two young kids while a doctor and his wife are out. During the evening, a stranger knocks on the door asking Julia if she can call the auto club so he can get a tow. The phone line is dead though. This is all part of the act as he has made his way inside and abducted the two children.