Stuntman Cha Dal-geon gets involved in a tragic airplane crash and ends up discovering a national corruption scandal in the process. Go Hae-ri, the oldest daughter of a deceased marine, decides to work for the National Intelligence Service as a secret ops agent in order to support her mom and younger siblings, although all she wanted to do is to become a civil servant.

Lee Seung-gi, Bae Suzy, Shin Sung-rok, Moon Jeong-hee, Baek Yoon-sik, Moon Sung-keun, Lee Kyung-young, Lee Ki-young, Kim Min-jong, Jeong Man-sik, Hwang Bo-ra, Choi Gwang-il, Lee Si-yu, Kim Jong-soo, Shin Seung-hwan, Ryu Won, Kim Jeong-hyeon, Park Ah-in, Go Gyu-pil, Teo Yoo, Jang Hyuk-jin, Choi Dae-chul, Kim Min-Seo, Kang Kyung-hun, Sung Chan-ho, Choi Yoo-jin, Ham Tae-in, Yang Jiani