A couple of years ago, when Top Gun: Maverick was riding high, the term ‘dad cinema’ caught on as a way to describe the few Hollywood films that took their cue from the pre-CG, pre-superhero age.

Well, with his first feature in 21 years, Kevin Costner may have just invented granddad cinema. Horizon: An American Saga is a western of the breed John Ford made in the 1940s and 50s: earnest, stately and – even in the face of dire odds – humane and hopeful; full of crisply drawn characters and wide landscapes golden with promise, and without a crumb of cynicism in sight. It’s just the first chapter of a two-part whole, with the second to follow in mid-August. (Costner has promised a further two chapters, yet to be filmed, after…