When Scottie realises that she may never become a mother, she flees to the remote North Atlantic archipelago of St Hia - a dangerous island that local folklore believes was once the home of a witch, Thordis. When Thordis was unable to provide her husband with a child, she was driven to a terrible act. The islanders warn newcomers against examining the past, but Scottie can't look away from the mystery of what happened to Thordis. Could it be that St Hia's troubled history holds the key to Scottie's future?