Special Agent Griffin Hammersmith has been recruited by Dillon Savich to join his unit in Washington. While on his way to D.C., Hammersmith plans to visit his sister, but before he arrives, he gets a phone call that she was found naked, unconscious, and covered with blood after a wild party. Meanwhile, back in D.C., Savich and Sherlock have their hands full when the grandson of a former Federal Reserve Bank chairman is found murdered.