A modern person transmigrates into Xu Xian, accidentally wandering into a grand world that fuses Legend of the White Snake, Strange Tales from a Chinese Studio, Journey to the West, and primordial Honghuang mythology. He unexpectedly awakens the "Merit System", and can continuously accumulate merit every day by striking the merit wooden fish. Relying on his merit body, his cultivation advances by leaps and bounds, successively encountering a group of female confidantes including the rabbit spirit Caiwei, Bai Suzhen, Xiaoqing, the dragon princess Ao Ruoling, and the Three Virgins Yang Chan. However, the infinite cataclysm descends abruptly, and the demon ancestor Luohou is about to revive. Can Xu Xian wield the power of all his confidantes to defy the heavens, change his fate, and save the three realms?