Yeong-ha is a teenager living with her mother who has recently remarried. After the high school exam, Yeong-ha is home together with her step-father and encounters something unexpected. After thinking it over, she decides to tell her mother what happened.
During the Japanese colonial era, roughly 400 Korean people, who were forced onto Battleship Island 'Hashima Island' to mine for coal, attempt to escape.
Captain Gang has died in a test flight accident. Dae-ik discovers a huge corruption scandal while trying to determine the cause of death. He reports it to journalist Jung-sook, but things changed in unexpected ways.