Nick Potter leaves his law firm to join the New York District Attorney's office which is currently investigating a known drug dealer. Meanwhile, Sara Finn loses key evidence for her case. Soon an assistant D.A. is gunned down and it turns out that another A.D.A. might be involved.

Desmond has to prosecute a well-known rap producer who has been charged with murder. Nick Potter goes on a ride along with two ghetto cops, landing Potter in a meeting with Internal Affairs; Jessica Rossi prosecutes a wife beater, while wrestling with the same problem at home, when her mother tells her she's leaving her father for being abusive, and Christina Finn gets caught up in a case with a spoiled diplomat's son and a strip club.

ADA Brian Peluso (Eric Balfour) faces a "wall of blue" when prosecuting a cop-shooter; Christina Finn (Julianne Nicholson) and her colleague ADA Nick Potter (Jordan Bridges) have been summoned to Bureau Chief Alexandra Cabot's (Stephanie March) office where she sends them to acting class to improve their court appearance, and ADA Jessica Rossi (Milena Govich) has to contend with her dysfunctional family.