Despite the appearance of a perfect life, Dexter struggles to settle into his domestic situation.
While investigating slayings with Agent Lundy, Dexter misplaces crucial evidence that could expose him.
Vigilant neighbors, an inability to drive and a fascination with Trinity's technique interrupt Dexter's routines.
With Rita and the children out of town, Dexter gets time to himself.
Dexter investigates the Trinity Killer; Debra blames herself; Rita realizes she knows little about her husband.
Dexter works to stay ahead of the Trinity investigation; an unexpected source offers advice on the friction between Rita and Dexter.
Dexter strikes a balance between family, work and his secret life; Debra expresses a renewed interest in her father's past.
Dexter questions his father's code and seeks answers on a road trip with Trinity; Debra discovers she has been blinded to the truth.
Dexter uses Thanksgiving to get a closer look at Trinity's life; Rita prepares dinner for a packed house; Batista gets closure on an old case; Debra has an idea about her shooter.
Dexter must rethink the Trinity case when a boy goes missing; Cody defends one of Dexter's lies; Debra's discovery causes problems for Quinn.
Miami Metro is close to discovering Trinity's identity; Dexter takes drastic actions to buy time; Arthur begins to investigate Kyle Butler.