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?

The Bugs team are called in to prevent a cartel of the world airlines from sabotaging Strate Air, a successful new airline. Hector Jerome, the airline cartel's main agent, becomes a target for the Bugs team and they discover he is in possession of a deadly new fighter plane- the Dervish. The Bugs team fight to stop them from shooting down Strate Air planes out of the sky, with Ed in the position to either shoot the plane down or die.

A woman called Pascal holds a building full of people hostage, claiming to be comcerned about the enivornment. However, her intensions are found out to be not that caring, as she plans to steal a lot of money and also the isotope triggers, which would cause a big explosion. the Bugs team fight to get back the triggers and stop Pascal's lover driving off with a fortune stolen from a bank

A room full of gold is infected with a new sort of virus that quite literally eats gold. It is up to Ros to make an antidote to return the gold to normal, and she doesn't have long- after some time, and once the gold has reached a certain temperature, it will be irreversible and the gold will be lost forever. Ed is trapped in the room with the gold and also two security things that continuously try to shoot him. Beckett decides to get Ed out of the room, as the antidote Ros creates is harmful to humans, but his only way to get to it is by going through a tunnel filled with toxic fumes.

Cassandra and ‘Daddy' strike a deal with Jean-Daniel and Ros ends up getting kidnapped by him. Roland Blatty has a ‘brush with death' when he is left in a room filled with lots of ticking bombs. Ed and Beckett go to save Ros, and end up having to use a chain saw to free her as she was handcuffed to a steering wheel, and inside the car there was a hand grenade. Beckett spends the final scene, sawing the steering wheel, to free Ros' wrists, and Jean- Daniel returns to the Bactrian Kings tombs to retrieve the Niobian 5 that was left there.

Another second parter to end the Series. Cyberax's destructive nature has entered Ros' brain and Beckett and Ed find themselves racing against time (and the fact that if Ros finds out about the true nature of Cyberax, her mind will explode) to save her. Beckett ‘foils' Jean-Daniel's plans, but in the process accidentally tells Ros the truth about Cyberax, and Ed has to kill her, electrocuting her. The reason being that ‘because Cyberax is a virus in the memory, you have to shut down the system and reboot with a completely new set of instructions'- (as said by Ed).