A mourning man takes refuge with friends – and struggles to keep himself and the rest of the group alive - when his girlfriend is first to vanish after answering a knock at the cabin door.

SYNOPSIS:

Nelson and five friends take refuge at their favourite ski cabin after the death of a friend. A blizzard moves in trapping them inside. When there's a knock at the door, Nelson's girlfriend, Maggie, answers -and she vanishes into thin air. Nelson tries to convince the others to help him find Maggie, finally, Carl says he will help - when he vanishes too... then another... and another...