After she discovers a cryptic phrase in a centuries-old letter, Emerson Mundy travels to her ancestral hometown, where she unearths family secrets that bring former NYPD Detective Leary out of retirement to stop a killer from wiping out her family.

Ten years after they covered up the tragic death of sorority pledge Rachel Lorant, four women soon discover that someone knowns their secret when they all begin receiving terrifying messages and grisly gifts, trapping them in a dangerous game with a twisted killer.