Together 30 years, David and Ann-Marie Pomphret seemed a close and loving couple. When Ann-Marie is found battered to death, a distraught David dials 999. Forensic scientists detect microscopic blood cells on his unwashed socks and the truth is revealed.

The 999 call later said to be worthy of an Oscar nomination. Julie Dixon says two masked men set fire to her partner's workshop, killing him. But she's the only witness. Soon, investigators make a shock discovery, and the lies begin to unravel.