The film is based on the best-selling suspense novel "The Long Corridor" by Keigo Higashino. There are countless secrets hidden in the cloister pavilion mansion, and the desire dispute of a desperate woman for revenge for love is being staged! The rich businessman died of illness, and his relatives gathered in the corridor pavilion to wait for how the billions of inheritance would be distributed. Everyone had their own ghosts. At a critical moment, lawyer Zhou Yang came with a will and a mysterious diary, which also involved a fire murder case that happened a year ago. The deceased was the illegitimate son of a wealthy businessman living abroad, and he was the first heir to all the inheritance! The murderer seems to be hiding among the crowd