The Liars face off with their enemies in a chaotic fight that ends fatally. One of the PLLs learns a secret about her past that changes everything while another Liar discovers something about her future that could alter her course forever.
The summer of 1989 at Camp Stillwater comes to a terrifying end. What was supposed to be a fun summer that the Camp Stillwater counselors would never forget quickly turned into a horrible experience they will be lucky to survive. As summer comes to a close, the centuries-old battle between good and evil at Lake Stillwater will be settled once and for all.