Believing Qin Yu to be dead, his family embarks on a vengeful mission, while Qin Yu and his friend Xiao Hei stumble upon an unfamiliar place where they meet a feline creature that communicates with them and gifts them a book full of precious knowledge. The tome teaches them the mysterious art of Stellar Transformation, a cultivation process that is passed down through tales to young people. With this newfound knowledge, they journey to the vast Boundless Ocean to hone their skills, despite facing many challenges along the way. They also welcome new allies and achieve even greater triumphs.