Episode: Sky Probe. Acting independently of each other Doyle and Bodie pose as hitmen to infiltrate a mysterious group of assassins whose targets are all retired government officials. Bodie's hit, Liz Walsh, an old colleague of Cowley, colludes in her supposed death for the publicity and helps Cowley work out who could possibly want to get rid of a group of apparently insignificant people. MI6 interference also hampers the operation until Liz exposes a possible traitor.