Anna lea massari the daughter of a wealthy businessman leads a privileged life in rome with her architect fianc sandro gabrielle ferzetti along with her closest friend claudia monica vitti and a group of fellow socialites she and sandro undertake a yacht excursion to lisca bianca an island off the coast of sicily anna literally vanishes from the scene when she leaves the yacht to explore the island on foot the shock of her disappearance and the lack of any sign of her whereabouts s