On Stella’s 29th birthday, four days before her band is set to embark on a career-altering tour, she learns that it is canceled. As she scrambles to salvage the tour and rally her bandmates, tensions rise, threatening not just the tour but the band's future.

Set during the Holy Crusades after the fall of Jerusalem, King Richard I joins a doomed holy war as people of all faiths confront a brutal power struggle and the terrifying return of a Devil never before seen on Earth.