A mysterious serial killer is shocking the underworld. Scotland Yard is investigating the case. Clues lead the detectives to Blackwhite Castle.

Based on Tommy Jaud's bestselling novel, this comedy focuses on a dispassionate clerk and his set-backs in life. 29-year-old Simon works in a phone shop, but his thoughts just circle around finding a new girl-friend after being left by his last one year ago. While his Croatian cleaner tries to procure him, his efforts to chat up women ...