 Rondedzero iyi inotaura nezvevakadzi vaviri, Alaïs Pelletier du Mas Jessica Brown Findlay, uyo anorarama munguva yeHondo dzechiKristu.uye kuurayiwa kwevaCathar muFrance yekare, uye Alice Tanner wemazuva ano Vanessa Kirby pakutsvaka kwavo Holy Grail. Alice, mumwe anozvipira pakuchera matongo muFrance, anowana zvisaririra zvevanhu vaviri vari mubako, pamwe chete nerini yakavezwa-yakavezwa, iyo inokwezva pfungwa dzevanhu vasina mufungo. Muna 1209, Alaïs achangobva kuroorwa ari kugara muCarcassonne, nhare yevaCathar avo vakaziviswa kuti vapanduki neChechi. Alaïs nababa vake vari kudzivirira mabhuku matsvene matatu anozivisa chakavanzika cheGirazi Dzvene kubva kuVapanduki. 