When an up-and-coming ballet dancer is mysteriously poisoned, the NYPD dives deep into the rigorous world of dance. Meanwhile, Jessica reunites with an old friend, socialite Nicholas Endicott, and Bright and Eve turn to Martin for answers regarding the girl in the box.

Malcolm continues to unravel as the mystery of the girl in the box comes to a head. As Nicholas Endicott's (guest star Dermot Mulroney) true colors continue to show, the Whitlys must decide to what lengths they are willing to go in order to take him down