This Drama follows the story of Captain Yoo Si Jin who falls madly in love with doctor Kang Mo Yeon. As their relationship is being challenged by Captain Yoo Si Jin's occupation as a special force where he is unable to be there for her always, they've decided to part ways, but their fate have been colliding with each other where they met again 8 months later in Uruk. With multiple incidences and hardship, they came to realise how they truly feels for each other.