When Kit and Tara move to Winterfall Farm on Bodmin Moor with their daughter and some friends, their hope is that the isolated smallholding will give them a chance to live off-grid and be free.

They soon fall for the moor's breathtaking beauty and life seems good, until their charismatic leader, Jeremy, brings a young runaway back to the farm and fractures in the group begin to appear.

As winter approaches, Jeremy's behaviour becomes increasingly erratic. Rules are imposed. The outside world is shunned. When he returns with another girl, tensions escalate and the consequences are devastating...