"She's gone." Those two simple words was all it took to throw Angel into a state where she shut out everyone.
After two years after losing her best friend, Dahlia, Angel goes to university were she meets an old friend, Brooklyn, at a party on her birthday, also her best friend's death anniversary. She gets too drunk to drive by herself, so Brooklyn offers, resulting into a car accident. While unconscious, Angel sees Dahlia who tells her that they don't know everything about her supposed accidental death and that it's up to Angel and Brooklyn to uncover the truth of what happened the night Dahlia died.
On spencer's birthday, her friend sam is killed, leaving spencer and her friends in shock. A year later, the murders start happening again, and spencer begins to wonder if someone in her friend group is behind it all.
As the killings continue, she starts to lose trust in everyone, unsure of who is really telling the truth. With secrets coming out and no one safe, spencer has to figure out who the killer is before it's too late.