The heroine Qingxue and the hero Xichen are both "purebred" brought to Utopia by the S organization for a survival challenge. Later, due to the discovery of Utopia's lies, after everyone escaped from Utopia, a series of stories happened, which included the storyline of Qingxue and Xichen's separation, reunion, reacquaintance, and love, as well as the plot of the confrontation with the S organization.