A mysterious plane crash kills over 211 civilians, including Cha Dal-gun’s (Lee Seung-gi) nephew. While in Morocco, Cha Dal-gun accidentally stumbles on a survivor of the plane crash.

Determined to find out the truth behind the accident, Cha Dal-gun’s investigation leads him to uncover corruption that goes all the way to the top in Korea. His encounter with Go Hae-ri (Bae Suzy), a covert operative for the National Intelligence Service, leads them into dangerous investigations that risk everything.