Paul has successfully convinced Val to cut herself off from her family due to their toxic influence, but she struggles to stick to his advice. Jenny and Anna travel to Donegal to investigate Grace's death themselves and while there they make a shocking discovery.
Jenny and Anna fear that Val's life is in danger, but Val refuses to listen to them. When Val finally realises what Paul has been hiding, events spiral towards a shocking conclusion.
On trial for murder, Val's fate appears to be sealed as the events surrounding the death are presented to the court and the Ahern family are thrust back into the spotlight. But there may yet be one final twist in this tale.