Crime thriller. A stabbing leads DS Sarah Collins into the path of an undercover unit led by Kieran Shaw, and Lizzie Adama is back at Farlow balancing being a DC with family life.

Episode 1

Drama

Crime

Nearly two years since we last saw Sarah Collins,  we catch up with her as she is called to the brutal stabbing of a teenager. Her investigation soon finds itself at cross purposes with a covert operation led by Kieran Shaw, who is working with Sarah's old partner, Steve Bradshaw, now deep undercover. 

The Tower

Series 2

Series 3

Gritty thriller starring Gemma Whelan as DS Sarah Collins.

Ninja Warrior UK

A new group of Ninja Heroes attempt to complete TV's toughest obstacle course.

Action-packed game show. Celebrities including Kenzie from Blazin' Squad and former Olympic medallist Katharine Merry join a 'Lobster' in trying to defeat the course.

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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 with their mutual distrust still apparent, but they must cooperate if they are to find a lost child.

Episode 2

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.

Episode 3

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.