The One That Got Away

DI Ffion Lloyd is called in to lead the investigation when a young nurse is found dead in the woods, and the circumstances resemble a case from 12 years ago.

A manhunt grips the town as a suspect flees, causing Ffion to raise questions about the past; new evidence linked to her sister Lisa emerges and a bitter clash ensues.

Fears grow when Rick and Ffion have to face down a dangerous new suspect.

Following the school shooting, the gunman is charged with Abbi's murder and the investigation intensifies when it's revealed he is connected to the heart knot murders; a personal confession comes to light.

The past continues to stalk the present after news from Paul leads Ffion to uncover a secret about Rick; when a new suspect emerges, Ffion questions if Abbi's killer is still at large.

Helen is nowhere to be found and fear sets in; believing that his wife may have been killed, Rick decides to follow his intuition, with devastating consequences.