The two young couple, married at the age of 17 and was living together in the same house that Jisung sister brought for them. After their marriage Jisung noticed that Jinyoung is always getting out of their house to go somewhere and sometimes he was out of country. That confuse Jisung so he investegate his husband by stalking him and getting some help of his friends until he found out that Jinyoung is a secret agent, a spy. He hated him for spending more time on that work than him. Jinyoung barely went home and get out again. Jisung got mad at Jinyoung and force him to stop his work but knowing Jinyoung, he can't give up his work. This work is mean to him. He love this kind of job.
After that they always arguing about the same things until the arguing turned into a fights and hurting at each other that Jinyoung can't take it anymore. So when the night came and his boss---older brother call him to do a mission in New York he immediately get out of the house but of course Jisung is there to stop him. But in the end Jinyoung wins and get out of that house.

But what if he found his husband's dark secret too? What would happen between them?