what do you get when you have a tenacious and seasoned french police inspector by the name of maurice martineau be call to solve a murder case . well and simply a very entertaining and fun film . the re master black and white film quai des orfevres delivers the good despite romance and jealousy and marriage that seem to just get in the way towards the truth of who do it . inch by inch and technique by technique a season by experience and intuition and the patience of this master inspector etch into the truth but of course and with the help of a bag full of dirty police interrogation trick . martineau be the centerpiece of this film . the use by director henri georges clouzot of raucous background music to intensify the drama in grand film noir style be a wonderful wrapper around the visual experience . martineau eventually solve the mystery and arrest the culprit . hey and he be good . but ala and martineau and too and can keep a dark secret in his past . who be that boy that be perhaps not his son . some thing can never get solve even beyond the closing credit .