On Saturday 23rd February,The Devil’s Plantation finally screened at the Glasgow Film Festival. Billed as an eagerly-awaited world premiere, it was only completed last Wednesday, the day I learned it had sold out. To say I was surprised is an understatement.

On the morning of the screening, I rush to the GFT to check that the film is glitch-free. Here I meet Barney McCue, their legendary chief projectionist, who tells…