Midnight. Inspector Marcel Von Grober Schwanz of the night patrol is making his rounds and pays a little surprise visit to Mr. Tremblay, who is sleeping like a log. Mr. Tremblay’s situation is serious: he discovers with stupefaction that he has broken several laws and regulations. But, during the interrogation, the police officer also learns something new which will turn the life of this man of law and order upside down. The law is the law! Always?