When a drive-by shooting results in the death of a young girl asleep in her bedroom, Warrick is assigned the case. The murder occurred in Warrick's old neighborhood, and the young girl is the daughter of an old friend and mentor. Warrick allows his emotions to get out of control, which leads Grissom to pull him from the case, infuriating Warrick. Meanwhile, Nick investigates the murder of a computer company employee which has only has three possible suspects -- all of whom are employees of the company. While each appears to have motive, all three also appear to have ironclad alibis.