Watch Navalokam (1951) Official Trailer

Estate owner Kurup seduces and then disowns a village girl, Devaki. This sparks off a revolt in the village. A workers union leader Gopi leads the revolt. Kurup goes on to marry Radha, an educated and socially committed worker. How Radha comes to understand the wickedness of her husband and frees herself from his immoral clutches forms the crux of the film.