A prequel to the Friday the 13th franchise, Crystal Lake follows single mother Pam Voorhees, who has been unable to shake her grief after her young, sickly son Jason tragically drowned in the town lake almost a year before. When two strangers arrive at Pam’s door digging into her past, a disturbing chain of events are set into motion, leaving the townspeople of Crystal Lake wondering: just who is Pam Voorhees?