Series 5, Episode 3

Series 5, Episode 6

With Olivia giving up hope, Perez at last closes in on Zezi’s location. But can he reach her before it’s too late? Duncan is traumatized after his discovery on the beach.

Perez and his team re-open a 23-year-old cold case of teenager Lizzie Kilmuir, found strangled to death on a kiln, when journalist Sally McColl is found murdered in the same way. Sally's father was a former officer who lead the investigation of the murdered teen, and suspicion lies on Thomas Malone, a released convicted murderer, and estranged friend of Lizzie's sister.

Series 5, Episode 2

A horrifying discovery at the Hayes house changes the course of the investigation. Perez establishes the probable cause for Daniel’s murder and his sister Zezi’s disappearance.

Series 5, Episode 3

Sandy feels the heat in the aftermath of Calum’s suicide. Convinced that McGuire is the key to cracking the case, Perez travels to Glasgow in an attempt to track him down.

Series 5, Episode 4

Sure that Zezi is being held on Shetland, Perez and the team ramp up the pressure on their remaining leads. Personally, Perez finds himself in turmoil after his kiss with Alice.