"An angel broke the rules of the universe and he's been punished." "What's the punishment?" "He has to find his soulmate to get back to heaven."

Modest & ordinary Y/n was arranged to marry Kim Taehyung, the son of one of the richest men in South Korea. Would cold Taehyung warm up to Y/n? Would they fall in love with each other? Or would their marriage be a torturous living hell for both of them?