The police encounter a new suspect, Wynn Edwards and new evidence leads to a horrific revelation. Police are preparing to protect Duncan and Richie after another murder but Duncan makes an unwise choice.
A murder investigation was launched when the body of a man was found hanging upside down in a horse box on a beach. Gina is determined to find the murderer, but the fact that Sam has just been released from prison complicates things.
When another body is found, police suspect they are looking for a serial killer. The dead men have been linked to a historical rape case. Sam tries to get on with his next life but his mother's attempts at reconciliation prevent him.
Gina is horrified to learn Sam is in danger. The truth about Stevie Rose's murder is revealed. Gina discovers something in Ray and Linda's house that leads Sam to remember what exactly happened to his father.
The murderer kills again and the death has a devastating effect on Sam and Gina. The police are monitoring the men's cell phones. The murderer makes a mistake.
Gina comes across information that casts fresh light on her father's death and the discovery leads to an honest conversation with Linda about the past. Sam meets a woman called Ela who turns his life upside down.
Gina starts to suspect Sam and the truth comes out about the gun. Gina is forced to make a difficult decision and a meeting with Douglas Rose floors her.
While staying at a hotel Sam and Ela take advantage of another guest with heartbreaking consequences for Sam. Gina searches for more information about her father's death.
The police are organizing an unusual operation to try and catch the murderer but the campaign fails after Mark intervenes. The true identity of the murderer is revealed after he assaults Richie at the police station.