Li Gon, ruler of the Korean Empire, and Jeong Tae-yul, a police lieutenant from the Republic of Korea, are bound by fate. Despite their love, they are constantly separated. Traveling through time, they learn that only one of the doubles can remain—otherwise the world will be destroyed. They’ll have to fight not only for their love, but also to preserve the world.
Their enemy is preparing for a devastating strike, but they are ready to defy fate and time. There is only one secret left: who saved Li Gon as a child—and the answer to this question may change everything…