When a troubled teenager is pushed over the edge by cyber-bullies, leading to a series of vengeful murders, body-language expert Kathryn Dance and Deputy Michael O'Neil pursue the teenager when he disappears.
Arriving at a deserted lake house to investigate an aborted call to police, Deputy Brynn McKenzie walks into the middle of a heinous crime and is forced to flee, along with a terrified young woman, into the surrounding forest to escape the perpetrators.