北洋政府統治時期，盤踞上海的軍閥武大帥之子武七（文章 飾）為洗刷恥辱，輾轉找到了前清遺老馬走日（姜文 飾）求助。在此之后，馬走日和在法租界當警督的發小項飛田（葛優 飾）聯手策劃了名為“花域總統選舉”的大型選美活動，和馬從小就認識的現總統完顏英（舒淇 飾）成功衛冕。誰知就在繁華喧囂的最頂點，命運之車竟急轉直下駛向深淵。在一個平凡的早上，完顏陳尸郊野，張皇失措的馬走日找到武七的姐姐武六（周韻 飾）及其母親齊老師（洪晃 飾），希望通過大帥幫自己洗刷殺人犯的罪名，結果卻盲打誤撞救下了險些被整死的項飛田。背負殺人犯之名的馬絕路逃亡，而武六則以該事件拍攝了名為《槍斃馬走日》的電影，馬的命運愈加撲朔迷離……　　本片根據民國奇案“閻瑞生案”改編。

　　Two friends work as cleaners whose jobs are to clean homes and places where people have died or dead bodies are found. One day, they are tasked with cleaning a house where there were three dead bodies inside. Their job is to clean the corpses that have rotted. When they arrived there, they found that there are strange things happening and then they discover a strange book.

　　故事據真實事件改編，本片由羅伯遜縣警長手機和攝像機的尸體上為素材，制造了一起靈異事件……

　　During the US Civil War, Union POWs escape in a balloon and end up stranded on a South Pacific island, inhabited by giant plants and animals. They must use their ingenuity to survive the dangers, and to devise a way to return home. Sequel to '20,000 Leagues Under the Sea' . Written by Stewart M. Clamen