The 2nd season of Swallowed Star takes place in a world where a mysterious RR virus has devastated Earth, causing animals to mutate into aggressive monsters. As humans face extinction, they build fortified cities and fortifications, marking the beginning of the "Period of Nirvana." Luo Feng, an 18-year-old high school student, is faced with a life-changing decision when a monster attack forces him to choose between academic pursuits and a life of martial arts. After being infected with a warrior force, Luo Feng decides to become a fighter to protect his loved ones, embarking on a journey that pits him against powerful monsters and tests his limits.