Being a teenager isn't easy. Even more so when you're Calla, a girl who carries the bloodline of the Great Old Ones in her veins. Instead of normal teen activities, Calla spends her time battling supernatural threats: tentacle monsters; creatures of the deep; or her uncle -- The King in Yellow. She must resist his call to embrace her own chaotic heritage and join the "family business"—as well as prevent him from awakening the terrible deity asleep and dreaming in the corpse city of R'lyeh—the Dread Dead One!