As the spectre of the Black Death hovers over Dublin in the fourteenth century, Kai is plucked from the filthy streets to sing in the great Christ Church choir. But Kai has a secret that must be kept hidden - even from new friends Tom and Jack.

When Jack is cruelly taken by the plague, Kai turns to the mysterious voices in the church for comfort. But Kai is not alone in the cathedral; enemies are lying in wait - hoping to destroy the singer in the most terrible way imaginable …

Kai will need great strength, talent and help from unexpected quarters just to survive.