Arthur warns Dexter to back off; Rita and Dexter plan a honeymoon; Debra unearths a hidden truth.

Miami Metro is close to discovering Trinity's identity; Dexter takes drastic actions to buy time; Arthur begins to investigate Kyle Butler.

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.

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 questions his father's code and seeks answers on a road trip with Trinity; Debra discovers she has been blinded to the truth.

Dexter strikes a balance between family, work and his secret life; Debra expresses a renewed interest in her father's past.

Dexter works to stay ahead of the Trinity investigation; an unexpected source offers advice on the friction between Rita and Dexter.

Dexter investigates the Trinity Killer; Debra blames herself; Rita realizes she knows little about her husband.

With Rita and the children out of town, Dexter gets time to himself.

Vigilant neighbors, an inability to drive and a fascination with Trinity's technique interrupt Dexter's routines.