Following a shocking death, Kinsey and Tyler Locke 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.

"Originally published as Locke & Key: Head games Issues #1-6"--T.p. verso.