When retired Malayalam teacher and old widower Narayanankutty Mash visits his daughter and her family in America, the family does their best to make his stay comfortable and relaxing. However, his days are filled with loneliness and the nostalgia of his days in Changampuzha Park , a park in Cochin Kerala, and a place where senior citizens congregate. Based on the short story "Changampuzha Park" written by famous Malayalam writer Sethu, the story follows Narayanankutty Mash as he struggles with balancing his desire for a return to his old life back in Kerala and his love for his daughter, son-in-law, and granddaughter.