A marvellous mystery adventure full of jeopardy, joy and jellyfish! Will 12-year-old Tally gain her powers and save her home? Tally Smuck is destined to become a Sting Winkler – one who can communicate with jellyfish – just like her mother and grandfather before her. But her powers haven't appeared and the jellies are missing... Can Tally and her friends find the missing jellies before the Firebloom Festival and save their island from being plunged into darkness for good?