The movie is a story of an Indian boy Saroo a poor boy who gets seperated from his family at an early age leaving him in to be dragged in a train which is heading to kolkatta which is a city where he cannot understand what people speak because he doesnt know their language he doesnot understand there language making the conditions more difficult for him. Making his survival more difficult. Leaving the language barrier aside he braving the human trafickers and child predators, he eventually gets being adopted by an Australian couple miles away from his real home. 25 years later, the childhood memories of his home motivate him to search for his home and his real birth mother with the help of Mapping program.
Now to find out what happens in the end. You must go to the theatre near you and you would be happy and emotional to find out.