Dev Patel attends Oscars with mother

"Lion", based on Saroo Brierley's best-selling autobiography "A Long Way Home", is a true story about an Indian boy who falls asleep on a train only to wake up and realise he is miles away from home in a strange land where he does not speak the language. He experiences many challenges before getting adopted by a couple in Australia. Years later, he sets out to find his lost family.