On a rainy night, Lu Chen stepped into an abandoned castle to investigate an old case, and encountered a "ghost" with long hair saying goodbye. The murals hide evil, the dark rooms are full of mysteries, and the castle is like a living creature breathing curses. Saying goodbye is a century-old prisoner and the key to the truth. When the fog peels off, love and hate grow wildly in the ruins - who can solve the mystery of the castle, and who is willing to escape?
