With her life in shambles and Det. Logozzo in the hospital after the warehouse shooting, Ali spends most of her time with her partner. Simon is somewhat involved in the investigation, but most of this episode is used to introduce the new characters in the series as they try to solve an old murder that has connections to the boy Ali hit. It turns out the youngster had a weapon and it is tied to the murder. Meanwhile, Simon tries to patch up things between him and Ali and learns where Ali was when she was supposedly on vacation ... she had an abortion.

Ali and Frank are assigned to find out who murdered plastic surgeon Marvin Michaelsen after a drug dealer identifies him as the man who removed his fingerprints, but the tension between the two soon ends up taking a higher priority than the investigation. Nicco and Mickey work together on the case of Dermot Wells, a garbage collector that is believed to have murdered his former co-worker, and make a bet on how soon they'll get a confession.