This film is based on a true story where a 5 year old poor boy is lost in a small village in India and get separated from his brother and mother. A train in which he sleeps takes him to Kolkata many miles away. He spends his time near the railway station and almost lands up in the hands of anti social elements. He finally finds himself a boys home and very soon a social worker arranges for him to be adopted by an Australian couple. He spends his growing years in Australia. However 25 years later the memory of his past starts haunting him and he gradually develops a strong desire to get back home. His girlfriend suggests that he should try google earth to try and locate his home in India. He then spends night and day on the computer and is finally able to locate his home. He makes his journey to India and very soon he is reunited with his mother and sister. The director has very skilfully brought to screen this touching story and it is quite moving in a number of places. There is some splendid outdoor location cinematography of the Indian village and of Kolkata city near the Howrah bridge. Dev Patel has given a brilliant performance and it is the highlight of the film. Nicole Kidman has acted fairly well though one expected better.