Kayden Yamada was once a great student at Royal Cross, a base of exorcists who specialize in combating the evil across the world. He was made for great things until a change in paths marked him a traitor and the Royal Cross was forced to banish him. Now, a giant evil is making its way around the world and their only hope is another gifted student by the name of Amy Downs and her medic partner, Kearney Nielsen who are tasked with locating the exile. Things await them in the outside world and with two threats on the table. The duo have a lot on their plate.