'The Devil’s Mouth' review: Survival thriller appears out of fin air

Hence, we're entering The Devil's Mouth. We find ourselves in Thailand, accompanied by a group of friends—single lady Sara (Kathryn Newton), bossy ringleader Max (Lana Condor) who is dating James (Nico Hiraga), and a second pair of lovebirds a.k.a disposable pieces of meat named Adrienne (Tommi Rose) and Greg (Gavin Casalegno). Soon enough, they're tormented by a bloodthirsty bull shark. A…