As the noose tightens, Arthur warns Dexter to back off. But Dexter will do anything to stop Trinity from eluding him, even if that means putting himself on the wrong side of the law. Rita acknowledges the rocky relationship she and Dexter share, but reaffirms her support. Batista and LaGuerta face the consequences of their actions. Debra unearths a deeply-hidden truth, but not one she expected to find. And ultimately, Dexter and Arthur find themselves on a collision course, leading them to a confrontation that will change their lives forever.