Could you sacrifice one of your children to save the other?

An unbearable decision

Held up at gunpoint by two vicious killers, Christina Hardwicke is ordered to make an unthinkable choice – between the life of her daughter or her son.

An unsuspecting family

When the Hardwicke family set off on a holiday to the Scottish Highlands, the last thing they expected was to be confronted by a deadly couple on a killing spree.

A nightmare come to life

Tailed closely by Detective Saul Anguish, the damaged pair have committed a string of ruthless killings across the country, all leading to this moment.

Will the detective be able to reach the Hardwicke family before catastrophe strikes?