Pachakuthira tells the story of two brothers, Anandakuttan and Akash Menon. Anandakuttan had tried his hands at many jobs, but had always turned a failure. But he never lost hope. He kept on trying and always hoped that God would show him a way out of his miseries.
Brother Akash Menon, who had been away in Germany, turns up. With this mentally challenged brother turning up, the story takes a new turn.