In the quiet town of Greenwood, a series of mysterious disappearances baffles the residents. When an old diary filled with cryptic clues surfaces, five high school friends Steve and Eric Morris, along with Emily, Luke, and Haney find themselves entangled in a chilling mystery. As they piece together the past, they uncover a sinister game orchestrated by an unexpected killer a chess champion with a deadly obsession. With time running out and two more victims at risk, the friends must outsmart the killer before he completes his twisted checkmate.