Theo Tan and his fox spirit, Kai, are willing to go to hell and back for their family. Literally. After exposing the corruption at Reapling and trapping the demon king Niu Mo Wang, Theo and Kai learn that Jamie (Theo’s beloved brother and Kai’s first human master) is trapped in a waiting room in Diyu. If they can reach his soul before it faces judgement they have a (very) slim chance of getting Jamie back! But a trip to Diyu is no easy matter, and Theo and Kai can’t do it alone. Fortunately, they have good friends who are happy to help. Still, even with Namita’s knowledge and...

Theo Tan doesn't want a spirit companion. He just wants to be a normal American kid, playing video games and using cirth pendants to cast his spells like everyone else. But, when his older brother dies, Theo ends up inheriting Jamie's fox spirit, Kai. Kai isn't happy about this either. Theo is nothing like Jamie, and the two of them have never gotten along. Yet, it soon becomes clear that something strange is going on with Jamie's internship at Reapling Corp, and the only way onto the campus is the highly competitive 'Know Your Roots' summer camp program, a celebration of Chinese and Indian...