A love story that develops between a surgeon and a special force officer.

Kong Mo Yeon is a beautiful and vocal woman who works as a cardiothoresic surgeon at Hasung Hospital. She is not afraid to accept her mistakes and believes that the capacity you have overred. However, she is soon facing with the reality that she may not just move forward with capacity. When she faces the Alpha team captain and team leader UC, her life changes forever, which cares more about protecting anyone as well as anyone with the help of anyone, even if it is against the order of his superiors.

This story tells how they both bind together in the time of war and remove obstacles against them.