Ice princess Stella Starflake and her father Felix are in trouble: President Fogg has expelled them from the Polar Bear Explorers' Club, and banned them from going on any further expeditions. Stella's not going to be put off by rules and regulations though. She knows her friend Shay is in danger of turning into a witch wolf himself, since receiving a deadly bite on their last adventure. It's vital that Stella and her friends set out to find the spellbook that could save his life, even if it means travelling over the cursed Black Ice Bridge. It's a formidable and dangerous task, and their journey takes them on a breathtaking, page-turning adventure!