Can Will and Isobel prevent events of the past from influencing the present and future? Dublin, Ireland, October 1885. The fragile peace within the Fitzgerald family is threatened when Dr Jacob Smythe becomes one of Will's patients, angering his mother. But in attending to the elderly gentleman's needs, Will inadvertently reunites Sarah with an old adversary and Isobel discovers she and Dr Smythe have an unexpected and tragic connection. When...