Shutter tells the story of Rasheed a non resident Indian Malayali working in Gulf. He comes to his hometown in order to solemnise his daughter's engagement. Rasheed has invested in a commercial property next to his house which he has let out to store owners, except for one room. He hopes to use this room to start a business on his final return from the Gulf. During his holiday this room becomes a meeting place for Rasheed and his friends, where they bond over drinks every night.
During one of his drunken night, Rashid gets locked in his garage with a prostitute. His accomplice, an autorickshaw driver, locks the garage from the outside to let the two have some fun, fails to turn up at the stroke of midnight. The unlikely couple find themselves caged in for two nights and a whole day, and most of the narrative centres on this embarrassing plight.