"Is the patient breathing?"

When a man dialled 999, reporting that his wife had died in her sleep, his story seemed simple: a tragic, natural death.

But something didn’t sit right.

As investigators peeled back the layers, they uncovered a web of inconsistencies. What began as a heartbreaking call for help soon spiralled into a full-scale murder investigation.

In this gripping new episode, we take you inside the case—from the haunting emergency call to the fight for justice for Sian Hammond.