Despite her extraordinary magical abilities and sleuthing skills, Oona Crate's detective agency is floundering. But a new challange has captured her attention - the Magican's Tower Contest. No one has ever completed the array of dangerous tasks, such as racing on flying carpets or defeating a horde of angry apes. No wizard has come close. As Oona prepares for the competition, a mystery finally emerges. A bowl with unparalleled magical powers has disappeared. If she can find the culprit, she could use the bowl to discover the truth about her mother's and sister's tragic deaths so many years ago - was she really at fault?