Watch Red Sun (1990) Official Trailer

Triveni, an author has chosen the name of her next novel - Kempu Surya. One day, she receives a letter from her sister, after which a thug in a red trench coat breaks into her house and ransacks it, looking for a map. Later, Triveni receives a call from her sister, pleading her to bring the map in her letter to a remote hilly wilderness region.