Believing Qin Yu to be dead, his family sets out to avenge him; elsewhere, Qin Yu and Xiao Hei find themselves in an unfamiliar place. While adjusting to this new environment, they encounter a talking cat, which gives him a book with the answers to all his questions. With this book, he learns of Stellar Transformation, a mysterious cultivation method often mentioned in stories to children.

Using this newfound technique, Qin Yu and Xiao Hei set out to the Boundless Ocean to further cultivate. Though their journey is not smooth, they gain new allies and reach new heights.