Namune is a character-driven comedy based on the characters of Purushottam Laxman Deshpande. Based in Mumbai, Niranjan Agnihotri is an insurance agent trying to fulfill the wishes of his family. One fine day, Niranjan comes across Chandu, a multitasker. Chandu starts helping Niranjan at every step. While Niranjan is finding it difficult to meet deadlines, Chandu lends a helping hand to Niranjan. But why is Chandu helping Niranjan?
Chandu's over-friendly helpful attitude becomes suspicious for the family members. It almost feels like such good people don't exist anymore.
The famous Jogi Don escapes from police custody and ends up at the Agnihotri house. Niranjan and his family freak out when he comes in with a gun but when Don Jogi comes across a photo of Niranjan from his school days, he realizes that he and Niranjan use to be best friends in school.
Don Jogi explains to Niranjan how he entered the world of criminals and became a gangster. Niranjan and Jogi also remember their school days. Niranjan's daughter clicks a selfie with Jogi and uploads it on social media which becomes viral and police track his location through it.
Niranjan is excited about his nieces marriage and gets there with his entire family as he wants the responsibility of the entire marriage but enters the new namuna Murari who takes over all the responsibilities and saves the day. Niranjan gets jealous of Murari as everyone praises his quick thinking and wit. How will Niru cope-up with this?
The go-to guy for everyone with their problems during the marriage preparations, Murari keeps on solving them. But when the biggest problem during the entire charade arrives at the door, even Murari is unable to solve it. Will Niranjan be able to save the day?
Niranjan is looking for a new iron guy as the previous guy who used to iron his clothes shut down his shop so during his search he comes across Damu the "Iron" man but little does Niranjan knows, Damu is going to bring a lot of trouble with him.
Niranjan regrets his decision to give Damu his clothes, as he continues to create trouble in Niranjans life. Niranjan gets so frustrated with Damu that he loses his calm in front of his boss. What will happen now? How will Niranjan tackle this problem?
Dadi Jis brother Mohanlal decides to visit her and Niranjan but when Niranjan finds out about Mohanlals visit, he gets frustrated as he knows that Mohanlals delusional mind which often wanders off and takes a stroll in the past. What will happen when Mohanlal visits them?
Niranjan gets frustrated with Mohanlal's facade with the water tank job but decides to give him another chance. So Niranjan gives Mohanlal some umbrellas to sell, which are given by Niranjans bs to him. But all hell breaks loose when the umbrellas get stolen while Mohanlal is busy on one of his trips to the history.