With her first divinely appointed duty behind her, Belle waits impatiently for a second call to arms. She explores Park City in the meantime, until a chance meeting with the enigmatic solist Adonis piques her curiosity.

Belle and Adonis march into the Katakombe in pursuit of the rebel solist Tiziano, only for their mismatched band to charge straight into a trap. Belle must make unlikely allies to avoid a watery grave.

Cornered by Tiziano's army of corpses, solists from both sides join forces for survival. But how long can their ragtag band last against an enemy who's already decimated an army?