After a young man is found beaten to death on federal land, Scola and Special Agent Eva Ramos hit a roadblock when their case intersects with a DEA operation. Meanwhile, there is a potential shake-up inside of the JOC.

Maggie partners with Eva to hunt a killer after a shocking daytime stabbing in an NYC park. After a subsequent murder, they realize the assassin has a hit list, begging the question: "Who's on it and who's next?,"