Seo Hoon is an obscure idol three years into his debut, living in the shadow of his wildly popular younger sister, Eloy. When an illegally filmed video of her is leaked, a fellow idol's mockery drives Seo Hoon to assault him on live television. Following Eloy's tragic suicide, Seo Hoon's life shatters completely. Having hit rock bottom, he joins , a grueling deserted island survival show featuring disgraced celebrities whose scandals have destroyed their careers.