While Davie befriends Alan Venters, the serial rapist responsible for his girlfriend's HIV related death and his own infection; he struggles to find the perfect means of revenge. Davie soon learns that Venters' only weakness is an imagined connection to his long-estranged six-year old son, Kevin. With time running out, Davie pursues a relationship with the Mother, but only to use the innocent child as the means to send the remorseless Venters to a horrifying demise.