It has been five years since the disappearance of Katie and Hunter, and a suburban family witness strange events in their neighborhood when a woman and a mysterious child move in.

As a deadly battle rages over Jigsaw's brutal legacy, a group of Jigsaw survivors gathers to seek the support of self-help guru and fellow survivor Bobby Dagen, a man whose own dark secrets unleash a new wave of terror.

A story seen from the eyes of a five-year-old boy who, through no fault of his own, comes face to face with disaster.