The Gazebo

Antoine Brisebard, a successful author, is victim of a blackmailer who threatens to reach it by revealing the past of his wife. Determined to get rid of Jo, the head of blackmail, he pretext of writing a piece police to collect from anyone who will listen the ingredients of the perfect crime. He is even thinking of hiding his body in the gazebo that his wife gave him to St.Antoine. Unfortunately when Jo picks up the money required, the plan of Brisebard to eliminate it doesn't go as planned. (Wikipedia)