One is a down-and-out daughter who was abandoned by her family and tried to find a way out through marriage, and the other is a pretender who lurks for the organization and kills decisively. They reunited for a "deal" marriage. He didn't know that she had already seen through his disguise, and she didn't know that he was trying to get information from her. In this marriage game full of secrets, they frantically test each other's bottom line while healing each other in the flames of war.
