The pawn is the most insignificant piece, but if it reaches the end of the opponent’s camp, it can become a queen and take the king’s head.

Living under the surname Yoo instead of her original surname, Shin, for certain reasons, Ha-jin encounters a man at a casino she visited to escape reality.

“Your name?”

“I’ll tell you my name once you beat me three times.”

The man watches Ha-jin’s play, feeling an intense euphoria and desire he has never experienced before.

The two part ways, leaving behind only the lingering afterglow of a strangely blooming heat and tension.

And finally, Ha-jin enters the enemy camp as a secret weapon for the revenge she has long prepared.

Her sole target is the King: bringing down Chairman Baek.

“Instead of a pawn, how about trying to become a queen?”

“I want to. Whatever it takes.”

Amidst a messily entangled web of relationships,

Baek Tae-joo, Chairman Baek’s eldest son, becomes Ha-jin’s ally to seize the upper hand in management rights.

Unexpectedly, while becoming Baek Tae-joo’s fiancée, Ha-jin encounters the man she saw that night at the casino.

His identity is Baek Ju-heon, the veiled second son of Chairman Baek.

On a game board where all the rules are already set, Ju-heon keeps approaching her, attempting to break them.

However, Ha-jin has already taken her first step to transform from the most insignificant pawn into a queen more powerful and noble than anything else.

In the end, who will be the winner of this fierce emotional battle?