A brave general fights to protect his people in a lone fortress.

In 645AD, the Tang Dynasty’s emperor Li starts his invasion into Goguryeo, one of the ancient kingdoms of Korea. One victory after afternoon, the Tang army marches into Ansi, protected by General Yang, the lord of the fortress. Abandoned by his country and outnumbered by thousands, the brave general gathers his men and women to face the Tang army on his own.