Season 9, Episode 2
Conclusion. Goren and Eames clash with the Feds over a murder investigation involving a complex political power play while also dealing with a loss. Saffron Burrows joins the cast as Det. Serena Stevens, Nichols' new partner, while Vincent D'Onofrio and Kathryn Erbe exit as series regulars.
Original Air Date: Apr 6, 2010