Storms (1946)

A girl makes a mistake and leaves her son, the fruit of her crime, for several years. The son grows up and searches for her everywhere until he meets her married daughter and goes to complain to her about his mother's cruelty. The sister tries to console her brother, asking him to keep this secret between them so that She exposes him. He visits her secretly without her husband's knowledge. This wife's co-wife learns about the young man's visits to the wife, so she sets her husband up to reveal his secret.