Venicile Vyapari tells the story of a police constable named Pavithran, who served the force in the eighties. Mammootty is playing the role of the police constable. The actor will appear in three different getups. He dons the period costumes, wearing khakki trousers and tall cap, which will be the highlight of the film.
The movie revolves around Pavithran, who lost his parents in his childhood. He enters police force by chance as it is not his ambition. So he resigns this job and starts coir business at Alapuzha. He starts exporting coir products. It is during this period he meets a bank manager Lakshmi and both became friends.
Another character is Ammu, who is the union leader of coir workers. Pavithran loves her, but does not reveal his love.