Her father was critically ill and her uncle forced her to have a baby. In a desperate situation, Su Mowan grabbed the most dangerous straw - the killer who came to kidnap her.
A "reverse employment" contract binds people from two worlds together. He thought it was just a deal, but unknowingly it became the key piece on her chessboard that could reverse life and death.
The open and secret attacks inside and outside the company, the strange truth behind the death of their mother... When the fog of conspiracy was lifted layer by layer, they discovered that each other was the only light that could be seen in the darkness.
This is a story about protection, trust and comeback against the wind. See how the orphan girl joins forces with the "evil dragon" and finally becomes the master of chess.