A fatal street stabbing leads Sarah Collins (Gemma Whelan) towards an undercover operation by her colleague who fear a massive escalation in gang violence. Lizzie (Tahirah Sharif) is given greater responsibility at work, putting pressure on her at home as a new mother...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...
We use cookies to help you navigate our website and to keep track of our promotional efforts. Some cookies are necessary for the site to operate normally while others are optional. To find out what cookies we are using please visit Cookies Policy.