Seo Hyeon Ju is a hardworking producer with a great job, but she hasn't been as successful in the love department as she has been in her career. After a series of devastating breakups, she swears off men and gives up on marriage, finding solace in the single life. But just when she's done looking for the right guy, she finds herself in the middle of a tricky love triangle with Hwang Ji Woo, the CEO of a pharmaceutical company, and her lifelong friend Park Do Gyum.