The FBI and NYPD band together to save Malcolm from the "Junkyard Killer," aka John Watkins, who reveals shocking details about his involvement in the camping trip memories that have been plaguing his psyche. Meanwhile, as Gil looks for answers from The Surgeon, Ainsley and Jessica search through their memories of the past, hoping to find some sort of clue as to where Malcolm could be hidden.

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.

When world-famous Europol profiler Simon Hoxley shows up in New York and claims that Major Crimes' current case is connected to the discovery of Endicott's body overseas, Bright fears he and Ainsley's secret is about to be exposed. Meanwhile, Martin gets to know Dr. Vivian Capshaw.