He was once the revered master of the Sky Medical Palace, respected by all. Obeying the orders of his master, he pretended to be a food deliveryman and married into the Lewis family for a year. In this duration, he plowed through countless side eyes and now... His one year duration is up—it is time to turn the tables around!

With a stroke of luck, Eric Clark's life took a drastic turn. He transformed from just a deliveryman to a master in both medicine and divination. Armed with his new skills, he seeks to exact revenge on those who had bullied him in the past.

Struggling designer Karen finds herself entangled with the proud and controlled fashion mogul Yvan. While Yvan searches for the mysterious woman from a passionate night, Karen's scheming friend, Yellen, impersonates her and becomes his fiancée. Yellen sets out to thwart Karen at every turn, determined to eliminate her rival and secure her own position permanently.