Under the oppressive Japanese colonial rule, Deok-hye, the last Princess of the declining Joseon Dynasty, is forced to move to Japan. She spends her days missing home, while struggling to maintain dignity as a princess. After a series of failed tries, Deok-hye makes her final attempt to return home with help of her childhood sweetheart, Jang-han.
Following the brutal rape and murder of his 16-year-old daughter, Sang-hyeon stumbles into an ever-widening conspiracy of rage, revenge, and murder.
A cold-case enthusiast blogger and a washed-up veteran detective team up for a joint investigation to rescue their innocent friend who is framed for murder.
