One evening while Erica is at a convenience store, a man enters and shoots the store's cashier to death. Hearing Erica's cell phone ring, the man stalks her in the aisles before she kills him with three shots. Another night on a subway car, two men harass the passengers, all of whom leave except Erica. The men then threaten her with a knife; she kills them both. Later on, Erica attempts to save a prostitute by threatening her pimp. When he attempts to run them down with his car, Erica shoots him in the head, causing his car to run over the prostitute. She is injured but lives.