Sarro (Dave Patel Dev Patel) lives a life of mutual dependence with his sister, brother and mother. Although poor and hard, the family supports each other, and the life is still warm and full of joy. By accident, Saro and his brother got separated at the railway station. By accident, Saro boarded a train bound for Calcutta, where Sarocheng was sent to a shelter for homeless children sleeping on the streets. Lucky Sarro was adopted by John (David Wenhan David Wenham) and Sue (Nicole Kidman Nicole Kidman) from Australia. Under their loving upbringing, Sarro grew into a promising young man. At school, Sarro meets a girl named Lucy (Rooney Mara Rooney Mara), and the two quickly get together. At a party, food from his hometown evoked memories of the past, and he came up with the idea of going back to his hometown to find his family.