Once Upon a Time in a Battlefield

Once Upon a Time in a Battlefield is a 2003 South Korean historical comedy film directed by Lee Joon-ik, centered around the Battle of Hwangsanbeol between Baekje and Silla in the 7th century. The film was the 8th most attended film of 2003 with 2,835,000 tickets sold nationwide. Its popularity spawned a sequel, titled Battlefield Heroes, which debuted in 2011, and takes place in the subsequent Silla-Tang invasion of Goguryeo.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.