Kline, a former Los Angeles police officer turned private detective, is hired by a powerful pharmaceutical conglomerate boss to investigate in Asia the disappearance of his only son, Shitao, whom he has not seen in person since the boy was ten. Now in his 30s, Shitao has gone missing in the Philippines where he had been helping in an orphanage.

A group of unlikely heroes from across the Korean peninsula try to save the day after a volcano erupts on the mythical and majestic Baekdu Mountain.