Film thrillers have stiff competition these days. When you can watch really great box sets with ten or 15 episodes on All 4 or Netflix, trying to cram a convincing story into an hour and a half is a tough commission.
It’s a bit like that advert on TV where a couple meet, get married, split up and divvy up their CD collection in 30 seconds flat. Not too much scope for nuance.
That said, Beast has much to recommend it. The central character Moll, played by Jessie Buckley, is completely engaging and you want to find out more about her.