Dexter and a pedophile have a run-in; Dexter is unable to restore Freebo's good name after he is accused of a murder he didn't commit. Also, Dexter's friendship with Miguel weighs on his mind.

Dexter undertakes to teach Miguel the Code, but doesn't realize he's whetting his partner's thirst for blood. Meanwhile, Debra is one step closer to finding the Skinner but a secret revealed about Anton sends him packing.

Miguel and Dexter's friendship is impacted when Rita confronts Miguel about his alleged infidelity. Believing Skinner has abducted Anton, Debra pulls out all the stops to find hi

A series of chess-like moves ensues when Dexter and Miguel vie for the upper hand, with Miguel winning Rita's affection by presenting her with a lavish wedding gift. Elsewhere, Debra wonders if her relationship with Anton is worth the trouble.

While preparing for his big wedding day, Dexter has to figure out a way to remove Miguel from his life for good. In the meantime, Rita has troubles of her own, when Syl reveals that Miguel has been seeing one of his old flames. Debra finds a new clue that brings her even closer to catching the Skinner.

It is the day before Dexter's wedding and Dexter must deal with two people targeting him, while preparing for his special occasion. Meanwhile, Angel tells Deb he's put her in for a promotion, but after he finds out some information her shield may be gone before she gets it.