Nostalghia

Nostalghia UK Nostalgia is a 1983 SovietItalian film, directed by Andrei Tarkovsky and starring Oleg Yankovsky, Domiziana Giordano and Erland Josephson. Tarkovsky cowrote the screenplay with Tonino Guerra.

Back at their hotel Andrei feels displaced and longs to go back to Russia, but unnamed circumstances seem to get in the way. Eugenia is smitten with Andrei and is offended that he will not sleep with her, claiming that she has a better boyfriend waiting for her.Andrei meets and befriends a strange man named Domenico Erland Josephson, who is famous in the village for trying to cross through the waters of a mineral pool with a lit candle. He claims that when finally achieving it, he will save the world. They both share a feeling of alienation from their surroundings. Andrei later learns that Domenico used to live in a lunatic asylum until the postfascistic state closed them and now lives in the street. He also learns that Domenico had a family and was obsessed in keeping them inside his house in order to save them from the end of the world, until they were freed by the local police after seven years. Before leaving, Domenico gives Andrei his candle and asks him if he will cross the waters for him with the flame. ........

Source: Wikipedia