An expecting Mother and husband crash their car in the countryside and are offered shelter by a farmer and his wife. Rachel soon realizes the farmer's children are in fact stolen. Just as they try to escape from the farm.

Set in war-torn 800AD Scotland, The Gaelic King tells the story of warrior-king Alpin mac Eachdach. When his young brother is captured, Alpin must hunt the kidnappers though a dark forest that hides an ancient power.