Unnaipol Oruvan

A nameless Common Man (Kamal Haasan) wants the city made safe from terrorists, and he has no authority to do it. So he picks up a phone and starts calling the police anonymously, leaving Commissioner Raghavan Maraar (Mohanlal) to work out who is on the line. Chakri Toleti keeps the story moving through those calls, and everyone is caught up in it, all of them shut inside the one building where the calls come in.