From Summit Entertainment. From the Academy Award-nominated producer of THE BLIND SIDE, THE SHACK is based on the New York Times best-selling novel with over 22 million copies sold worldwide about a father's life-transforming journey that shows him the truth about love, loss, and forgiveness. In the aftermath of a devastating personal tragedy, Mackenzie Allen Philips receives a mysterious note in his mailbox inviting him to THE SHACK. Mack responds and finds himself in the presence of God and ultimately on a path to acceptance.