A devoted dog discovers the meaning of its own existence through the lives of the humans it teaches to laugh and love. Reincarnated as multiple canines over the course of five decades, the loveable pooch develops an unbreakable bond with a kindred spirit named Ethan. As the boy grows older and comes to a crossroad, the dog once again comes back into his life to remind him of his true self.

A Dog's Purpose is an American comedy-drama directed by Lasse Hallstrom and written by W. Bruce Cameron, Cathryn Michon, Audrey Wells, Maya Forbes and Wally Wolodarsky, based on the 2010 novel of the same name by Cameron. The film stars Britt Robertson, K. J. Apa, Juliet Rylance, John Ortiz, Kirby Howell-Baptiste, Peggy Lipton, Dennis Quaid and Josh Gad.