Ash and Claire are a set of brave ten-year-old twins who love mystery and adventure as much as they love candy. While Ash and Claire were returning back home from a vacation cruise, the ship starts to sink, threatening the lives of everyone on board. When they go underwater to fix the problem, they discover that it was clearly done on purpose, but what they don’t know is that the person responsible has been watching them both closely! Only after the ship is repaired and the twins return home do they realize that the sun has not set for days. Determined to do something about it, Ash and Claire set out on a wild and dangerous journey to find some answers and protect the people around them.