The official synopsis about the eighth episode of the seventh seaosn of Dexter, "Argentina". Hit the jump to read it. (Spoilers ahead!)
Dexter tries to keep Debra in the dark about his relationship with Hannah, but a surprise visit from Astor, Cody and Harrison throws a wrench into his plans. Fresh out of jail, Isaak renews his pursuit of Dexter while Quinn continues his power struggle with the Koshkas.