In guk is a navy seal who discharged and became the captain in charge of a squat team known as 2S, a team that does special operation cases that involves life risks and saving hostages. He is the only son from a wealthy but doesnt care to carry the heir of his parents. His mom and grandpa then came up with a plan to make him fall in love and marry by sending Lee Sunbin into his force. Lee Sunbin is a tough women but has made a deal with her to carry on the heir of her family, another wealthy family. That is in exchange of her being able to work in the squat team force. She loves police work but her mother was always against it and she knows its the only chance she has to prove that she can do the job too.Two people with high ego meets..will carrying the heir go on?.....