Eunsang Hahm just caught her boyfriend cheating, and Kyungwoo Kang, the CEO of her company, is engaged to someone he doesn’t love. They both agree to a mutually beneficial fake relationship. After all, it’s just a business deal, so… what could go wrong? But as the two begin their scheme, it is clear that their connection runs deeper than what is written in their contract. With his rich family set on finding out the truth, and her nosy coworkers and the media watching their every move, how long will they be able to keep up the charade?