Lennon Grant returns home after her first year at college and discovers that someone knows the terrible secret she and her OG crew of friends swore to keep last summer.

The estranged friends reunite to try and figure who might have revealed their secret or who else knows what they did – which leads to murder.

Unable to go to the authorities without revealing their secret, the crew needs to solve the mystery on their own. More bodies turn up, as they realize they’re being haunted and hunted.

Lennon uncovers secrets about her twin and begins to fear the worst about the true identity of the person murdering her friends. The local community is shocked by more murders.

The police question everyone in town with any connection to the victims. The crew think they know who is after them and hunt for evidence implicating the town eccentric.