Det. Adrianne Lesniak leaves and is replaced by Det. Jill Kirkendall. Det. James Martinez finds his future wife in PAA Gina Colon. Detectives Bobby Simone and Diane Russell are still experiencing growing pains in their relationship as Diane accepts an undercover assignment and has the added pressures of her family. All important is the redemption of Andy Sipowicz who is still ongoing after losing his son and falling off the wagon.