Dev Patel Tries to Find His Way Back Home in New 'Lion' Trailer

Nicole Kidman and Rooney Mara also star in the Weinstein Company film.

The first trailer for The Weinstein Company's Lion has arrived.

The film, directed by Garth Davis (Top of the Lake), is based on the true story of Saroo Brierley, who was lost on a train at the age of five in India, later to be adopted by an Australian family.

Two decades later, when Saroo is 25, he begins to search for his birth parents using Google Earth.

Dev Patel stars as Saroo, while Nicole Kidman plays his adoptive mother. Rooney Mara also stars in the film as Saroo's girlfriend.

Lion will screen at the upcoming Toronto International Film Festival. The pic is set to hit theaters Nov. 25.