Gopinath finds his brother Raghunath's car and belongings at an accident site along with a letter. While the family mourns his death, the police investigate the unusual circumstances of the case.

The film is based on Vaikom Muhammad Basheer's story of the same name

Hello Darling is a 1975 Indian Malayalam film, directed by A. B. Raj and produced by R. S. Sreenivasan. The film stars Prem Nazir, Jayabharathi, Sudheer, Bahadoor, Adoor Bhasi and Sankaradi in the lead roles. The film has musical score by M. K. Arjunan.

The story proceeds in flashbacks as the protagonist, Dr. Gopi, who has had a nervous breakdown, relives his past under psychiatric probing.

On his pilgrimage to a temple to immerse the ashes of his mother in the sacred river, Rakhavan befriends a tribal family. He comes across the lives of the tribal people and their struggle.

Leelamma's wedding is thrown in jeopardy after her father loses the money he got after selling off his land. Paulose, an unemployed young man, finds the money and uses it for his own good.

Shaji and Vimala are college pals. Shaji, a drug addict, is in love with Vimala. But she romances Sunny, the son of her college's principal. Sunny's greedy mother fixes up their marriage.