Moon Grace is young, but she ain't unexperienced. Her story made the whole world shake in political caos. After she received the highest rank for anyone her age, she begun a journey around the countries that helped her.

Captain Yoo Shi Jin and Doctor Kang Mo Yun are trying to help Sergeant Seo Da Yung to overcome his troubles with loads of work. After he couldn't have a relationship with Lieutenant Yoon Myung Joo, he begun to fall down a path he swear to never go back again.