"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.
When five friends host a massive party to celebrate the end of their first year at university, everything seems fine. But the next morning, one of them is dead. And when Summer tries to investigate who murdered her flatmate, she finds out that everyone has secrets - and any of the others could be the killer.