Following a shocking death that dredges up memories of their father's murder, Kinsey and Tyler Locke are thrown into choppy emotional waters, and turn to their new friend, Zack Wells, for support, little suspecting Zack's dark secret.

Meanwhile, six-year-old Bode Locke tries to puzzle out the secret of the head key, and Uncle Duncan is jarred into the past by a disturbingly familiar face.

Open your mind - the head games are just getting started