"Bistrot Pas Mal", a small French restaurant, where excellent food and homemade vin chaud (hot wine) are sold. The chef, Shinobu Mifune ( Hidetoshi Nishijima), is calm and doesn't talk too much. At first glance, people cannot understand what he's thinking about. However, he often goes, "... may I?", and kindly takes care of others . With insight and deduction, chef Mifune vividly unravels the mysteries behind the incidents and events involving his customers.