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.

The discovery of Niki’s body intensifies the search for Zezi. Perez feels that time is running out. A desperate Olivia tries to get information from Jamie Hayes.

Perez closes in on Zezi's location at last. But can he reach her before it's too late?