Due to societal advancements, gods and demons struggle to maintain balance in the twenty-first century. To rectify the situation, a team of divine beings and monsters embark on a mission to seek the "key" to salvation. Su Moting is a girl with an aptitude for mischief, earning her the title of "demon child." After being asked to leave her home to pursue independence, she encounters the alluring god Tianjin and enigmatic demon cat Dukui, igniting a whirlwind of new experiences for Su Moting.