A brigade of five marines are sent on a dangerous mission to capture an enemy stronghold during the Korean War.
Second Lieutenant Oh Deok-soo
Woo Jong-guk
Kim Hoon-goo
Jang Young-sun
Sgt. Chung Chung-gil
Lieutenant Colonel Oh Seok-man
Marine Ha Young-gyu
Marine brigade commander
Company commander
Operational staff
Soonyi
Deokhan
Hungu's mother