Season 2 - Episode Guide

When someone threatens the surviving victim of the notorious serial killer 'The Gambler', the team must visit the killer himself to discover if he had a partner.

The Gambler's suspected partner is seemingly active once more and they have abducted a young woman. Can the team reach her in time?

Harry Newman is an old man, dying in a London nursing home. When he makes a deathbed confession of 12 separate 'unauthorised killings', Boyd's team is called in.

With Grace recovering from her attack, the team continue on their quest to identify whoever commissioned the murders and to find out what really happened to Frank Sutton.

The team discover a trail of intrigue when they reinvestigate the murder of Home Office adviser Katherine Reed, a radical academic who swapped sides to join the establishment.

The team's hunt for the murderer leads them further up the political ladder, and pressure is applied from above as Boyd closes on his quarry despite the government's secrecy.

When Joanna Gold's famous red dress is discovered in a lock-up at Kings Cross, Boyd is certain his team can track down her killer.

Threatened by the investigation, Joanna Gold's killer begins to stalk her sister, Clara. She persuades Boyd to let her wear the red dress in an attempt to catch her stalker.