Paris1942.FrançoisMercierisanordinarymanwhoonlyaspirestostartafamilywiththewomanheloves,Blanche.Heisalsotheemployeeofatalentedjeweler,Mr.Haffmann.ButfacedwiththeGermanoccupation,thetwomenwillhavenootherchoicebuttoconcludeanagreementwhoseconsequences,overthemonths,willupsetthefateofourthreecharacterseee