Once a convict, Seo 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 Go Eun-Ha into his life. The unlikely pair find love most unexpectedly but Eun Ha’s longtime fan, Prosecutor Jang Hyeon U isn’t ready to let her go without a fight.