Under the pretence of researching his next thriller play, writer Antoine Brisebard consults his friend Adrien Colas over how to commit the perfect murder. For some time, Antoine has been the victim of an unscrupulous backmailer, Monsieur Jo, and he has finally decided to take action to prevent Jo from revealing the scandalous past of his dear wife. One night, Antoine arranges for Jo to pay him a visit, intending to shoot him dead and bury his body in the foundations for a new gazebo. With a few glitches along the way, the scheme goes off as planned. Then, soon after, Antoine discovers that Jo was previously killed by someone else and that the body that is buried beneath the gazebo is not Jo’s at all. If Antoine didn’t kill Jo, who exactly did he kill..? —Filmsdefrance
Jean Girault (9 May 1924 – 24 July 1982) was a French film director and screenwriter. He directed more than thirty films between 1960 and 1982. —Wikipedia