In a detective story full of bizarre twists and turns, perfectionist Cheng Yang and analytical reasoning expert Jun Wugui represent the boys while Su Wenyue who is skilled in martial arts and the quirky Ouyang Chuchu are their female counterparts. Together, they examine every piece of evidence to shed light on the truth.

In the heavenly vision, the three giants fled from the heaven to haunt the world. The Jade Emperor sent Nezha to the lower realms to look for the three world protectors.