From the battlefields of World War I to the rugged Highlands of 18th century Scotland, two fated couples must defy the forces that seek to tear them apart, unfolding in surprising and unforeseen ways in this romantic saga that unfolds across time.

A group of teenagers grieving the death of their friend takes a trip to an isolated summerhouse in the countryside. What starts as a peaceful getaway turns into a horrific nightmare when a masked man begins to terrorize them in the most gruesome ways.