As the counselors and Deputy Sykes put together the pieces of what is happening at Camp Stillwater, Skyes knows that something has to be done to stop it. With the help of Deb and the counselors, he comes up with a plan that will hopefully end the attacks before someone else gets hurt…or worse. Meanwhile, flashbacks feature Deputy Garrett Sykes.
As her birthday gets closer, Julie discovers that she enjoys her mom's company when they are drinking; Billy tries to date a guy he met through an app.
Jason returns to town to stop Ali from getting too close to Mary. The girls learn something new about Mary and Mrs. DiLaurentis that leads them to a storm cellar full of clues. Ezra gets a call about someone in his past that could change his course. Noel Kahn grows more and more suspicious and rises to the top of the list of suspects for Uber A.
Jackson learns his mother is missing in Africa, but before he can look for her, he and the team must contend with a hostile force that has overtaken their plane. Also, Jamie learns a shocking secret about Abraham.