Dexter and Rita have to make a big decision about their family, forcing Dexter to think about what it means to be responsible for kids. Is he ready to commit to this new family? Meanwhile, Dexter and Assistant District Attorney, Miguel Prado, find themselves hunting down the same murderer, Freebo, the man accused of killing Miguel's little brother. As a result, Debra and the Homicide department are tasked to find Freebo. Debra, through her supposedly dirty partner, Quinn, is introduced to a C.I. and musician named Anton, in the hopes of drumming up a lead on where Freebo may be. With all of these hunters in play, can Dexter find Freebo before anyone else?