Ros and Beckett first meet, after Beckett is forced to leave The Hive when he is framed for leaking information. The real traitor turns out to be Beckett's boss, Cottrell, working alongside his lover, Elena Johnson. The pair are trying to steal SACROS, a device which jams satellite signals. Beckett, Ros and Ed race against time to save Beckett's job and SACROS, and to stop Cottrell and Elena.

Ros, Ed and Beckett's first customer appears in the form of Irene Campell, who turns out to have conned Beckett into helping her continue doing her business. Roland Blatty, a friend of Ros' who own the new Bureau of Weapons is trying to put a stop to the devices Irene sells, which have killed countless people. The team race against time to stop Irene and her legal adviser, Morasco and at the same time save Ed from a microbe that is killing him.

Ros, Ed and Beckett are called in to investigate the mysterious plane that went ‘out of control' for a while. However, while Ros is checking out the aeroplane, it suddenly decides to take off!!! Ros is left in the plane and it takes off, and Ed and Beckett discover that there is a man behind it all, controlling the plane like a remote control one. Ros starts to panic as the fuel gradually gets lower and lower, and Ed goes to find the man behind it, telling Ros that she might have to land the plane herself.

Ed and Beckett go 'under cover' and end up on board a submarine. They are, however, found out to be fakes and, whilst Ed escapes, Beckett is left on the submarine with a money hungry man, eager to gain access to a bank and steal some diamonds a long the way. Beckett ends up getting trapped on the submarine, as it slowly fills with water. The man, meanwhile, has got his associate to steal these diamonds, but their plan is foiled when Ros enters the scene. Ed goes under the sea to search for the submarine and but will he find Beckett in time?

Ros, Ed and Beckett are called in to protect Anna Fabrizi, a visiting Italian politician who has vowed to fight political corruption in her country. Ed takes on the role of the man hired to kill Anna and he finds himself in a situation where he has to decide between Anna's life and his own...