The formidable Det. Superintendent Elizabeth Bancroft is leading the charge against the violent Kamara gang. Meanwhile, DS Katherine Stevens is given a cold murder case.
Bancroft helps Katherine and Anya with the Fraser case, but they are struggling to find any worthwhile forensic evidence. Katherine and Joe's relationship progresses, whilst events take a grisly turn for the Kamara family.
Bancroft is faced with a startling blast from the past, which brings the events from 1990 back to the surface. Meanwhile, Katherine wrestles with twists and turns of the new information she is uncovering.
Katherine and Anya make a determined push to get to the bottom of the Laura Fraser case once and for all. Bancroft plans and executes a massive sting operation against Athif Kamara.
