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.