Ethan learns he carries the spirit of a warrior who battled dragons in 16th-century Korea -- and one day he'll find a tattooed girl carrying the spirit of that warrior's beloved. Years later, he meets Sarah and dragons soon descend on Los Angeles seeking out the two souls of the ancient lovers.

Sometime in the near future, the Korean peninsula attempts to reunify. The South Korean government, which needs enormous funds for the unification to succeed, develops a landmark new technology called the TWR. The TWR is a high speed nuclear reactor and other countries want the technology. To prevent terror in the aftermath of the TWR breakthrough, the government establishes a new organization named NTS (National Anti-Terror Service). Jung-Woo (Jung Woo-Sung) is transferred to the NTS group from the NIS. He's excited about the transfer and hopes to live the life of a real agent, but then discovers his main responsibility is to watch North Korean defectors.

Mimi falls in love with Albert, who works for the Korean Embassy in the United States. But Albert disappears on the day he is supposed to propose to her.

A regal man named Vangel is thrust on a journey against his will when he is suddenly and mysteriously arrested. Injured and lost after escaping the dark king’s men, Vangel begins to have strange dreams and visions of a mysterious woman in white calling him from the unknown territory of the North. Armed with a book called “The Record of the Ancients” that he receives from a wise sage named Elder, Vangel embarks on an adventure that takes him through treacherous mountain range, unending deserts, the Lake of Doubts, and the Forest of No Return. Along the way, Vangel learns about a fabled good king and his son in the North, but first he must make it there alive.