When the sister of Sydney Ortiz is the victim of an attempted kidnapping and sexual assault, Sydney seeks help from Isobel and the team in tracking down a meticulous serial offender who leaves no evidence behind.

When a chaotic campus protest turns deadly, the team is called in to help quell the mayhem and track down the murderer. Meanwhile, Jubal is concerned when Tyler is detained along with a group of student protestors.

The team is called in to track down a serial killer after the bodies of multiple women with the same physical description are found scattered across the city. Meanwhile, Maggie juggles her roles as a guardian to Ella and an FBI agent.

After a park ranger is shot dead by a masked assailant on Governors Island, the team discovers a string of connected crimes that leads them to their toughest roadblock yet: an online conspiracy theory community.

After three customs officers are shot dead in a cargo heist, the team entrusts OA's old army buddy Clay to help determine if it was an inside job.