This is a wonderful vacation trip, but evolved into a near - death experience . A suspicious aircraft crashed into a snow-capped mountains to lead to an avalanche , make the vacation of a family were buried alive in the snowy mountains . When they are trying to find the escape route , because to save a stranger and make them once again in jeopardy . That this stranger is led to the culprit of the disaster . More worrying is that this stranger is a cold-blooded killer . Can the family escaped from danger ? ..