When the bodies of wealthy matriarch Ursula Kennedy and her farmer husband Jimmy are pulled from a slurry pit on Glenbeg Farm, shock ricochets throughout the family and community. Everyone has questions, including the gardaí. Was this a tragic accident? Or is there more to it than meets the eye? Their son Rob, once destined for a high-flying legal career, is now involved in the family business. He seems distraught about his parents' deaths, but rumours soon spread about a blazing row he had with his mother before she died. As vivid memories rush back, a toxic secret is set to come to the surface.