CzechactorturneddirectorJiříMádlhaswrappedshootingonhisthirdfictionfeature,Waves,whichcentresontheturbulentperiodoftheWarsawPactinvasion,aseminalmomentinmodernCzechoslovakhistoryTheperioddramaisinspiredbyreallifecorrespondentsfromtheCzechoslovakRadioInternationalBureauduringthelate1960sThefilm,setagainstthetumultuousbackdropofthePragueSpringandthe1968invasion,tellsthestoryoftwobrothersnavigatingthechallengesoftheperiodTheprotagonistsareTomášandhisyoungersibling,whofindthemselvesinthemidstofthe1968MayDayParadeoutsidetheCzechRadiobuilding,wherethefilmcrewhasbeenshootingsomescenesTheforeignradiodepartmentwasknownforindependentnewsreportingdespitetheprevalentcensorshipHowever,theblossomingofthecommunistregimewillsoonbeabruptlyhaltedbytheWarsawPacttanks