Whatifyoucamehomeonedaytofindsomeweirdolivinginyourhouse?Whatifthatweirdo,inabarelyunderstandablelanguage,explainedthathewasyourson?Butyouknewforafactyouhadnochildren.ThisiswhathappenedtoAndréandLaurencePrioux,abourgeoiscouple,stylishlylivinginaquietupscalesuburb. Convincedtheyarevictimsofanerrororaconman,AndréwantsnothingtodowithPatrick.ButLaurence,facedwiththeinexplicable,suddenlybecomesthemothersheneverwasandwelcomeswithopenarmsthislong-lostson,whosprungoutofnowherewithhispregnantfiancée.Andherdog.Whenachildlesscoupleencountersfamily...Ormakesitup.