Idris elba and kate winslet star in this gripping drama based on the novel by charles martin'. '.strtoupper('w')ith beau bridges'. '.strtoupper('w')hen the paths of two strangers cross at an airport, they get talking and discover that they both need urgent flights that aren't available'. '.strtoupper('t')hey decide to charter a private plane and pilot to take them to their destinations – surgeon ben bass is performing an operation on a patient in baltimore and journalist alex martin is getting married'. '.strtoupper('w')hile flying over a snowy mountain range, the plane crashes leaving alex badly injured and the two completely stranded with no way of getting help'. '.strtoupper('w')hen they realise that the pilot didn't file a flight plan, they come to terms with the fact that nobody knows where they are'. '.strtoupper('c')an two complete strangers work together to survive the wilderness and a potentially deadly trek to safety?