The Fortress

In 17th century Korea, King In-jo's kingdom is beset on all sides by the encroaching Qing dynasty, who demand his submission and threaten his people. The last king of independent Joseon must flee to a remote mountain fortress, where he faces impossible odds: a 13,000-strong army struggling to survive in the harshest winter conditions. Will the kingdom's defenders be able to sit out the siege until spring, or will they succumb to the invaders' relentless assault?