Genre: Mystery

Dexter hires a nanny; Debra is annoyed with her new partner; Quinn continues to investigate Rita's murder.

Dexter tries to focus on the children and fight his dark urges; Debra ends up on Quinn's doorstep.

Dexter must make a choice; Quinn stirs up trouble for Dexter but supports Deb.

Dexter and Arthur find themselves on a collision course, as Debra unearths a shocking long-hidden truth, Rita admits her marriage to Dexter is troubled, and Batista and LaGuerta face the consequences of an ethics breach.