First of a two parter to start off Series 3. A man called Mc-hage's business is desperately trying to be sabotaged, and he calls in Ros, Ed and Beckett to investigate. It turns out that just recently, Mc-Hage's son, Christopher, committed suicide and Ed goes to see Mc-Hage's daughter, Kitty Mc-Hage, to find out more about the business. Kitty decides to blow up half of London, using a chemical weapon that is under the ‘family' business. Beckett goes to The Bureau of Weapons Technology (the place where Roland used to work), where he meets Jan and Alex. Jan manages to con him into working at the Bureau, because of his financial problems and the fact that she catches him and Alex looking at Code: Red files. The team manage to stop the chemical weapon going off, just in time, but Ed realises that there is another bomb in the ‘Battle wagon' (an invention of Kitty's). Ed ends up getting blown up with the ‘wagon'

Ros is missing and Beckett, Alex and Ed are desperately searching for her. However, they find her car a river with some of her blood in it, and presume that she is dead. Beckett won't accept this, and sobs his little heart out at Ros' house. He ends up quitting from the bureau, to devote his time to searching for Ros. Beckett goes to see Ros' Mum, her ex-fianceé, Terry and does everything he can to determine Ros' whereabouts. Ros is actually alive and well (naturally) and is working with Terry. Ed and Alex are given a job to transport what they think is something that saves lives- but they were given false information. Beckett is also where Alex and Ed are, still trying to find leads on what happened to Ros, and then Ros suddenly appears, steals the stuff that Alex and Ed are looking after, with Terry and two other people and runs to Terry's van As she starts the van, and starts to drive off, she sees Beckett, but is told by Terry to keep driving. She does as he says, leaving behind Be