An unconvincing group of friends is briskly picked off one-by-one while searching for a beastie that hitched a ride to Earth on a meteoriteYou get the measure early on of the tentacled predator in this British horror film when it makes mincemeat out of a hairy tough-guy Neanderthal. The movie opens with some punching-above-its budget special effects explaining the origins of the flesh-eater, which crash landed on Earth with a meteorite. Like Neil Marshall’s The Descent, it’s a creature that makes its home in caves – though unlike the earlier movie, Bone Keeper lacks a sense of sweat-trickling-down-your-back claustrophobia, despite a couple of good scares.Sarah Alexandra Marks plays Olivia, whose journalist grandfather vanished in the 1970s while investigating reports of a creature in a cave somewhere in the UK. Now years later, Olivia’s mother has disappeared while searching for him. So Olivia heads to the caves with a group of mates, who feel as if they’ve been dreamed up in a 20-minu...