Grieving Orla and her brother go to stay with their gran in Ireland - but soon after they arrive, Gran vanishes. Shadowed by a shape-shifting darkness known as the Wild Hunt, the children - and especially Orla - must put their sadness behind them if they're to rescue their beloved gran.
Aribella lives in Venice, the daughter of an impoverished lacemaker. But she has a secret: when angered, sparks shoot from her fingertips. Afraid, Aribella leaves her old life behind, only to discover the world of the Cannovacci: warriors with magical skills, sworn to defeat the strange spectres menacing the city ...