The mystery around Jane Doe deepens as Turner and Vasquez investigate a strange symbol and visit a remote encampment in the woods.

A grim discovery in the mines makes Turner question the squatters' role in the case. Vasquez fights to protect her son when his father reappears.

Turner takes the investigation to new extremes — with serious repercussions. Jill gets caught up in Vasquez's conflict with her ex.

As the investigation comes to a close, Turner discovers the truth about Lucy's death — and the long-buried secrets that set it in motion.