In the year 1971, former Korean Air Force fighter pilot Tae-In (Ha Jung-Woo) works as a pilot for a commercial airline. He faces a crisis inside a hijacked flight with the passengers, including Yong-Dae (Yeo Jin-Goo), and his crew members, including Captain Kyu-Sik (Sung Dong-Il) and Flight Attendant Ok-Soon (Chae Soo-Bin).

A man who poured his life savings into a new apartment discovers its walls are full of disturbing noises, hostile neighbors and unsettling secrets.