Twin sisters, whose similarities end with their looks, swap identities amid personal struggles — embarking on a journey to rediscover love and life.

Once a convict, Ji-hwan is now a successful, albeit overly cautious CEO, who has yet to experience any of life’s more enjoyable pleasures: namely falling in love. But all that changes when fate brings beloved children’s content creator Eun-ha into his life. The unlikely pair find love most unexpectedly but Eun-ha’s longtime fan, Prosecutor Hyun-woo isn’t ready to let her go without a fight.