Kate, 2019. Kate flees London - and her abusive partner - for Cumbria and Weyward Cottage, inherited from her great-aunt. There, a secret lurks in the bones of the house, hidden ever since the witch-hunts of the 17th century. Violet, 1942. Violet is more interested in collecting insects and climbing trees than in becoming a proper young lady. Until a chain of shocking events changes her life forever. Altha, 1619. Altha is on trial for witchcraft, accused of killing a local man. Known for her uncanny connection with nature and animals, she is a threat that must be eliminated.