MarcelinoSanzdeSautuolaydelaPedrueca,in1868,accidentallydiscoveredPaleolithicpaintingswiththehelpofahunternamedModestoCubillasinsideAltamira'scaves,locatedinCantabria,northtoSpain.Tryingtoexposetheirdiscoverytotheacademicworldforthattheystudythepaintings,Sautuolacrashedagainsttheskepticismanddiscreditofallexperts,whoclaimedthatthecaveswerefalseandthepaintingsmadefortheownSautuola,inaefforttogetrich.Lookingforthetruth,Sautuolawastherestofhislifefightingtoprovethatthosepaintingswerereal,tryingtorestorehisinnocencefromtheaccusationsoffalsehoodlaunchedagainsthim.