A healthy and honest captain in the ROK navy, Kwon Sang Woo isn't afraid to reveal his feelings towards anybody, including Myung Se Bin. When his sister is hospitaized with appendecitis, Kwon falls in love with Myung, a doctor at the hospital. Trying to win her love isn't easy when Myung is sill grieving for her dead fiancee. Eventually Myung falls for his honest personality, but the mysterious death of her fiancee stirs up trouble later on. The truth is revealed as Myung finds out that her fiancee's death is related to Kwon and Jung Sung Hwan. Meanwhile, Kwon's suborbinate Jung Tae Woo meets Kim Jung Hwa at a nightclub. Being the player he is, he tries to win her not knowing that she is Kwon's sister. They like each other, but for fear of Kwon finding out, the two use all kinds of methods to hide their relationship. As various characters find love in different ways, this drama attempts to show the healthy love story of four people.