Threshold review – road trip out of hell in iPhone horror

A brother and sister try to escape a satanic spell in this cruddy horror story shot entirely on smartphonesIn some corner of a US nowheresville town, sad-sack musician-schoolteacher Leo (Joey Millin) gets a call from his mom begging him to pick up his screw-up of a sister Virginia (Madison West). Virginia has had an on-off problem with drugs that ruined a once promising law career. Leo is sceptical of her latest excuse for being found in a squalid apartment looking high, even though there are no