Dexter Morgan confronts his dark urges while targeting a retired hitman who may still be active. As he navigates the complexities of his dual life as a forensics intern, his father, Harry, investigates a chilling murder case involving a young boy. Meanwhile, Dexter's sister, Deb, explores her rebellious side, complicating family dynamics. This episode deepens Dexter's journey into becoming the methodical killer known to fans.