When an underpaid assistant, Ji-eun, accidentally ruins her tyrannical CEO's Christmas Eve gala, she expects to be fired on the spot. Instead, CEO Kang Dae-hyun, a man as ruthless as he is handsome, offers her a shocking deal: a fortune that will save her family from ruin, in exchange for pretending to be his girlfriend.

What starts as a high-stakes corporate lie spirals into a dangerous game of deception. Ji-eun is thrust into a world of lavish parties, cutthroat rivals, and dazzling secrets, all while fighting a terrifying, undeniable attraction to the man who is both her savior and her captor. But as the line between their fake romance and their very real feelings begins to blur, a ruthless rival threatens to expose their secret, turning their Christmas miracle into a scandal that could destroy them both.

With her family's honor, her boss's empire, and her own heart on the line, Ji-eun must decide if the price of love is worth risking it all.