Holmes’ former protégé, Kitty Winter, returns to New York after a three-year absence to warn him that a killer is eliminating everyone involved with a case they worked on together…

McCoy uses a charge of “”larceny by extortion”” against a councilman, whose former colleague claims he demanded sex in exchange for a law-firm partnership.

The accidental shooting of two children by a 14-year-old hired killer leads to a drug dealer and a real estate agent.

Dr. Wyatt refuses to let Meredith give up on therapy. Alex learns something else about Rebecca. The Chief wants Erica to perform a daring surgery. Christina continues to act strange.