A junk car on the verge of being scrapped and a supercar of cosmic proportions charge towards one person! After being horrifically dumped by a change of heart from her partner, Yoo Yeon-seo decides she cannot stay in the same place any longer and changes jobs. However, at her new workplace, her younger and incredibly well-connected boss, Seo Ji-a, treats her exceptionally well for reasons unknown. As she receives kindness, she finds herself compelled to reciprocate. Thus, their time together gradually increases. Meanwhile, to enhance brand content, they decide to invite a celebrity, one of whom is Yoo Yeon-seo's ex-lover, Kang Eun-ah. Having come here to escape the painful memories of a love that was abandoned, Yoo Yeon-seo finds this situation extremely distressing, as she did not break up with Kang Eun-ah because she no longer liked her. Seo Ji-a, who is kind but comes with an overwhelming background. Kang Eun-ah, her former lover who left her with terrible memories. What choice will Yoo Yeon-seo make?