When Elsie Pickles offers to house-sit the mysterious home of local witch Magenta Sharp, she has no idea what she's getting herself into. Left with a talking raven and a scruffy dog for company, a magical tower that has a mind of its own and a book of instruction called Everything You Need to Know, what could possibly go wrong? With an assortment of weird and wonderful neighbours banging at the door and a box of volatile magical ingredients that must be used immediately, Elsie finds out that looking after Magenta's home might not be as easy as she first thought...