"Rover" tells the story of Cha Dal-gun, a stuntman played by Lee Seung-gi, who is involved in a tragic plane crash and eventually uncovers a nationwide corruption scandal in the process. Bae Suzy plays Go Hae-ri, the eldest daughter of a fallen Marine who dreams of becoming a civil servant, but decides to work as a secret agent for the National Intelligence Service in order to support her mother and raise her younger siblings.