Cold CEO Min Yoongi is pressured by his assistant Kim Taehyung to marry for the sake of his reputation. When a poor cafeteria worker, Jung Hoseok, accidentally humiliates him in front of others, Yoongi offers him a cruel deal-marry him for one year, and he will pay for Hoseok's daughter Jiwoo's life-saving heart surgery. Desperate to save his child, Hoseok signs the contract without noticing the hidden terms that give Yoongi complete control over their future.