एडवांस सर्च

A veteran beat cop and a teenage girl fall to their deaths from a tower block in south-east London. Left alive on the roof are a five-year-old boy and rookie police officer Lizzie Adama, who disappears within hours. Detective Sergeant Sarah Collins is charged with leading the investigation, trying to track down Lizzie before she comes to serious harm and uncovering the truth behind what happened.

With Lizzie still on the run, Sarah finally persuades her boss, DCI Tim Bailie, to go public about Lizzie's disappearance.

When Sarah finally interviews Lizzie, the explosive truth about what really happened on top of the tower emerges.

DS Sarah Collins is tasked with a cold case. PC Lizzie Adams's willingness to do things by the book is tested.

Sarah And Lizzie work together to hunt a killer to reveal secrets and possible hunters . A new suspect emerges in the Tania case.

The team are left reeling when Brannon's video goes viral.

Sarah races to Lizzie's aid and both face Brannon together in a grisly climax.

A fatal street stabbing leads Sarah Collins towards an undercover operation by her colleague who fear a massive escalation in gang violence. Lizzie is given greater responsibility at work, putting pressure on her at home as a new mother.

The hit and run murder of a sex-worker appears to be linked to the stabbing, and Sarah connects this to Lizzie's investigation, putting Operation Perseus and the undercover officers at risk of discovery by king-pin Shakiel and his gang.

A suspect in the stabbing is found but his escape jeopardises the secrecy of Operation Perseus and the safety of eyewitnesses. Meanwhile, rediscovered evidence from the Portland Tower case threatens the careers of several officers.

Shakiel prepares to buy a vast cache of automatic weapons and Operation Perseus moves into its final stage.