A mystery thriller about what happens when a detective finds out that a case he is working on resembles a novel while investigating the death of a best-selling author's husband.

Set in the Joseon Dynasty, King Lee Tae and Queen Jeong draw their swords at each other amid political conflict in this bloody romance.

Lee Chung is a Prince of Joseon, but he has been taken hostage to the Qing Dynasty. He enjoys boozing, womanizing and gambling. He is also an excellent swordsman. His older brother Lee Young will succeed to the throne and brings Lee Chung to Joseon. He returns after more than 10 years. Soon, Lee Chung faces monsters that run rampant in the night.

A police detective from 1986 travels in time to the present to save his daughter.