Victor and Betty are small time con artists who share an apartment in Paris. They travel the countryside in their RV swindling conventioneers.
Victor comes on the scene after the knock out drops have taken effect and oversees the theft.
Victor is a smart man. He always leaves the victim enough money so the mark will not to miss what was taken. What happens when these two small time grifters get involved in a big con makes for a humorous, and suspenseful little film. Victor informs Betty that there is a dental convention in Switzerland ten days hence. Betty says that she needs to take a little vacation and will meet Victor at the Swiss hotel at the appointed time.