The first episode of the crime thriller. DS Sarah Collins investigates two unusual deaths.

The first episode of the crime thriller. DS Sarah Collins investigates the deaths of a long-serving police officer and a 15-year-old Libyan refugee in southeast London.

The Tower

The hit London crime thriller returns - stream the boxset now

Gemma Whelan and Jimmy Akingbola tread the dark path of policing in this gritty thriller. When the cops are called to a crime scene at a tower block, things plunge into mystery.

the-tower

Crime thriller. Sarah finally persuades her boss DCI Tim Bailie to go public about Lizzie.

Crime thriller. Sarah finally persuades her boss DCI Tim Bailie to go public about Lizzie's disappearance, but she then makes a series of discoveries that complicate the case.

Crime thriller. The explosive truth is revealed when Lizzie decides to turn herself in.

Crime thriller. Lizzie decides to turn herself in, and the explosive truth about what really happened on top of the tower emerges as Sarah finally gets a chance to interview her.

Crime thriller series. DS Sarah Collins joins Homicide Command and looks into a cold case.

Crime thriller series. DS Sarah Collins joins Homicide Command and is tasked with a cold case, and PC Lizzie Adams's willingness to do things by the book is tested by a call-out.

Crime thriller series. Sarah and Lizzie find themselves working the same murder case.

Crime thriller series. Sarah and Lizzie find themselves working the same murder with their mutual distrust still apparent, but they must cooperate if they are to find a lost child.

Crime thriller series. The team are left reeling when Brannon's YouTube video goes viral.

Crime thriller series. The team are left reeling when Brannon's YouTube video goes viral, and Sarah and Elaine make a grim discovery that exposes a vile predator and a vital clue.

Crime thriller series. Steve alerts Sarah to the danger awaiting Lizzie at her home.

Crime thriller series. When Steve alerts Sarah to the danger awaiting Lizzie at her home, Sarah races to her aid and they face the desperate Brannon together in a grisly climax.

The Tower

The Tower

Series 1

Episode 1

Episode 2

Episode 3