Alorukkam is a movie which tells the story of a father, Pappu Pisharadi, who is searching for his son who ran away from home 16 years ago. His only wish is to see him at least once for the last time. He wanders for several days looking for his son and one day he fell on the roadside. He was brought to a Charity Hospital. There Dr. Seetha and her friend Priyan helps him to find his son. They find Pappu Pisharadi's son at an IT firm. They bring Pappu Pisharadi to his flat. He becomes silent and is too into himself. His son and his partner and their adopted child tries to bring him into normal life. Atlast he returns to his village with a distant relative. But on the way he is too stressed.