After his attempt at a reunion with his high school friends fails miserably, Donnie and his "squad" make a discovery that will change the course of their future and their past.
Torn on what to do with their newfound time travel device, the squad begins to "experiment" with new possibilities.
Vanessa and Tess continue seeking answers to the visions. Meanwhile, Donnie and the boys take a journey into the past.
Tied up and in the middle of a forest, the Squad finds themselves at the mercy of two mysterious figures.
Vanessa takes a look into the past of the squad's history together, searching for answers.
Donnie's mind races with thoughts of his day with the squad, leading him to a decision that could change the course of the future.
Tensions rise as Vanessa returns from her trip into the past, ready to expose the truth behind their friendship.
Donnie tries to hold on to his friendship with Vanessa.