S1, E1: On his 16th birthday Mark's brother Thomas introduces him to the dark family secret and hands him the Chronicle of the Black Tower, a different world ruled by an eerie creature, the Gryphon.


S1, E1: On his 16th birthday Mark's brother Thomas introduces him to the dark family secret and hands him the Chronicle of the Black Tower, a different world ruled by an eerie creature, the Gryphon.