The story centers on Li Yan, a martial artist suffering from a terminal illness. On the brink of death, he is taken by a mysterious man named "Mo" into the "World of Jambudvipa Fruit"—a realm contained within the fruit of the Jambudvipa Tree. To obtain the potion that can cure his terminal illness, Li Yan must complete three tasks assigned by the system and earn Jambudvipa Points by participating in underground boxing matches. While carrying out his tasks in Longyuan Fortress, he gradually gets entangled in the power struggles of local forces and discovers the competition from other "Jambudvipa Walkers." In the end, Li Yan overcomes numerous trials to finish the tasks and successfully extends his life.