On the eve of the annual Running Man competition, the players race against one another through a series of challenges to obtain the 'Super Belt,' a legendary item which make its wearer absolute ruler of the world.
Haejin Park, a trauma therapist, is forced to face her family's darkest past when she returns to her childhood countryside-farm to console her heartbroken younger sister.
After her son is jailed, a Chinese mother with high expectations struggles to protect her family's remaining reputation by parenting her independent daughter, whom she must seek shelter from in the U.S. with her son's two unmanageable adolescents.