An AI fortunetelling service called Manxin boasts a surprisingly high level of accuracy. In a world where most people deify and have blind faith in Manxin, Seonho and Garam, who have their own pain and secrets, search for its developer. Contrary to their expectations, they discover the true nature of Manxin. Manxin questions life and the essence of humankind through people who are, ironically, obsessed with the black arts rather than science, and others, who refuse the given path, anxiously seek...