When Hannah discovers Avril’s Emporium, a shop that sells an array of toys and artefacts, she discovers a secret that has been hidden for centuries. The shopkeeper, Avril, is the Spirit of April Fool’s Day and is part of an immortal race that protects human festivals. Hannah becomes his apprentice and meets the spirits who visit the shop – including the spirits of Deepavali, Cupid, The Leprechaun, Father Time and The Grim Reaper. When the Reaper discovers that Hannah is a human apprentice, he wreaks havoc on the Emporium. Can Hannah save the store with the help of the spirits of Deepavali, Valentine’s Day and Mid-Autumn?