How awkward would it be to reunite with not one but two of your ex-boyfriends, and at the workplace nonetheless? When Nabom Han comes face-to-face with her unforgettable first love, Chajun, and her ex-boyfriend she hoped she’d never see again, Tae-o, she must learn to navigate the relationships from her past while ensuring the success of her father’s struggling manufacturing business. They say you should never mix business with pleasure, but will Nabom be able to resist the temptation?