'The Great Battle' tells the story of The Siege of Ansi, an 88-day battle between Goguryeo and the Tang dynasty. After announcing its premiere date for this coming September, the film has also dropped its first theatrical trailer, boasting an enormous scale not yet seen in previous Korean historical productions. 

In the film, Jo In Sung appears as the head general of the Goguryeo army, leading skilled soldiers played by Nam Joo Hyuk, Bae Sung Woo, Um Tae Goo, AOA's Seolhyun, Park Byung Eun, and more. Opposite this crew, actor Park Sung Woong plays the emperor of the Tang dynasty.

Check out the dramatic trailer for 'The Great Battle' below!