Special Forces Captain Yoo Si-jin (played by Song Joong-ki) and Sergeant Seo Dae-young (played by Jin Jiu) encountered a fierce fight while on vacation. When sending the thief to the hospital, he was misunderstood by chief physician Kang Mo-yeon (played by Song Hye-kyo). Attracting Xu Darong's ex-girlfriend Yin Mingzhu (played by Kim Ji-won) to suddenly appear, Jiang Muyan and Liu...