Inwinterof1938,ParisiscrowdedwithrefugeesfromtheNazis,wholiveintheblackshadowsofnight,tryingtoevadedeportation.OnesuchisDr.Ravic,whopracticesmedicineillegallyandstalkshisoldNazienemyHaakewithmurderinmind.Onerainynight,RavicmeetsJoanMadou,akeptwomancastadriftbyherlover'ssuddendeath.AgainstRavic'sbetterjudgement,theybecomeinvolvedinadoomedaffair;matterscometoacrisisonthedaywarisdeclared.