Dexter (2006)

S4E1 Living the Dream

Title: Chasing Shadows Plot: Dexter finds himself caught in a relentless battle between his newfound duties as a family man and his insatiable urge to kill, as he sets his sights on a new prey. Meanwhile, his forensic work intensifies as he hunts down a notorious figure known as "The Trinity Killer." The pressure mounts as he juggles the demands of family life, his dark instincts, and the relentless pursuit of his latest target, testing the limits of his dual existence.