The Great Battle (2018)

IMDB
Genre : Korean, Action, Drama, History, War
TRAILER
Director : Kim Kwang-shik
Stars : Zo In-Sung, Kim Seol-hyun, Nam Joo-hyuk
Plot : A historical film about the siege of Ansi Fortress and the epic eighty-eight day battle that Yang Man-chun and his Goguryeo troops fought against 500,000 invading Tang dynasty men to defend it.