On a volé la cuisse de Jupiter (1980)
Directed by Philippe de Broca

Film Synopsis

Antoine Lemercier, a professor, and Lise Tanquerelle, a police inspector, are spending their honeymoon in Greece.  One day, they meet a young archaeologist named Charles-Hubert Pochet who immediately lambastes Antoine for the book he has recently penned.  Pochet later makes it up with the couple by taking them out to dinner.  The next day, the Lemerciers see Pochet's wife Agnès in the arms of a Greek sailor, but Pochet is to happy with his latest discovery, an antique statute, to care, even when he drops it on his leg.  Under the cover of darkness, Agnès and her Greek friend steal the statue.  Lise and Antoine resume their peaceful honeymoon but are surprised, a few days later, to see the Greek sailor trying to sell the statue.  Antoine alerts Charles-Hubert and together they visit the Greek, to find that his throat has been cut.  Before they know it, the two Frenchmen have been arrested, charged with the sailor's murder...