Mr. Billionaire's Ex-Lover

Due to an incident of harassment by her superiors on her, Rachel Lee who worked in one of the branch offices had to be transferred to the head office. Rachel thought things would get better. But it turns out that working at the head office makes her meet her past lover, someone who just disappeared for ten years and made her unable to move on. When her ex becomes the boss where she works, chases her and wants to get back with her when the man has another woman he will marry, where will fate take Rachel's heart, which is now restless?