Having wrapped himself in barbed wire and armed with one of Clay 's chisels , he bursts into Callie and Clay 's house , intent on murdering the couple , whom he discovers having sex .
Finally , in the film 's climax , Darkly 's rage boils over .
Having wrapped himself in barbed wire and armed with one of Clay 's chisels , Darkly bursts into Callie and Clay 's house , intent on murdering the couple , whom Darkly discovers having sex .
Finally , in the film 's climax , Darkly 's rage boils over .