Strange incidents take place within the palace. The King secretly calls for Gu Cheon and Court Lady Saeng Gang and asks them to uncover the curse that lies within the palace of the Crown Prince. Gu Cheon can traverse the world of ghosts and has a special ability to kill the ghosts with his sword. Court Lady Saeng Gang was born with the ability to hear the sounds of ghosts. She considers her ability a lifelong curse, but using her special ability, she tries to uncover the secret of the palace with Gu Cheon. An unimaginable world of darkness awaits them.
