YoungMatulahassuccumbedtogamblingandhestealsmoneyfromhisparentstofinancehispassion.Hisfathercatcheshimred-handedandthrowshimoutofthehouse.MatularoamstheworldandmeetsVávra,alsoatramp,whoacceptsajobasaroad-sweeperbuthesoondiesinacaraccident.OnhislonewanderingsMatulafindsamiraculouslittlekeywhichopensalllocks.Withitshelpheacquiresagreatfortune.Hebreaksintoabankandstealsmoremoney.Hethenmeetsthedaughterofthecashierwhowaswronglyaccusedundersuspicionoftheftandwhenheseesherdespair,herealizeshiswrong-doings.Finallyhewakesup-ithadallbeenadream.(Accordingtothecensor'scertificate).