Dee may finally find true love when she dates a famous local rapper, who may or may not be mentally retarded. Inspired by the success of Dee’s mentally challenged boyfriend, Mac, Dennis, Charlie, and Frank decide to start their own band.
Before Dee's baby arrives, The Gang tries to figure out who is the father by throwing a house party for all her former flings.
Dexter finds help from an unexpected avenue while on the hunt for the Doomsday Killers, all the while trying to stay one step ahead of the Homicide Division. Debra continues to see her therapist and discovers something new about herself.
Dexter tries to figure out the Doomsday Killers’ next victim before it’s too late. Debra has a strong reaction to a crime scene, which leads her to the realization that she leans too heavily on her brother.
Dexter finds that in order to catch the Doomsday Killers, he must follow in their footsteps and create a macabre tableau of his own. Debra’s battle with LaGuerta over the case of the dead call girl boils over. Debra’s therapist makes an unnerving suggestion.
