Synopsis：Oh Geumhui is a seemingly ordinary, diligent office worker who’s often called a workaholic. She lives a quiet life working at the company run by her long‑time friend Kang Taeri. When a new hire mistakenly believes she and Taeri are a couple and abruptly quits, the highly capable Yu Bora steps in to fill the role. Soon after, a series of strange incidents unfolds, leading them to discover that the powerful Nosong Group is pulling the strings behind the scenes. How will these three very different women confront the conspiracy and solve the problems closing in on them?