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 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.

A new type of food called Phodex has been created and it is made from some sort of algae. Ros, Ed and Beckett are called to investigate about this stuff, and Ros ends up getting trapped in some room, with the oxygen levels slowly decreasing. However, Ed and Beckett realise all is not right when the creator of Phodex tells them that Ros has gone to the hairdressers. They find her just in time and she is OK. However, a short while later, the team find out the secret of Phodex, that it is toxic when exposed to ultra violet light, and Ros ends up eating some contaminated Phodex, and starts to die. There is soon a race against time for Ed and Beckett to save Ros and the other people who have eaten the toxic Phodex, and Ros' condition gradually begins to deteriorate, as her vision goes blurred and she keeps collapsing. However, she manages to save the day, by finding out what the code is to the place that has the antidote. She has to read an electronic organiser, but will she get the passwor

Many small companies are being bought up by two mysterious men and Ros, Ed and Beckett are called to investigate. When the manager in another company is suddenly blown up, Beckett takes his place. The two suspicious people turn out to be Jean-Daniel and his brother, Patrick. They realise that Beckett is not the real manager and Jean-Daniel goes round to ‘Gizmos' (the place where Ros, Ed and Beckett were based in Series One) Beckett ends up being kidnapped. Ed's friend, Clare, has also got mixed up in the brothers' plans, and her daughter, Katie, has been held hostage until she gives them exactly what they want. Jean-Daniel's brother is killed. Beckett and Katie manage to escape and stop Jean-Daniel's plans, and reposition the missile that stops any type of computer generated items from working, to where they are.

Ed is put into training to go up in a space shuttle, mainly to find out who is trying to stop the launch of it, and not to actually go up in it. But, of course, he ends up having to go up with another woman pilot. However, the ‘baddie' trying to stop the launch makes the shuttle 'breakdown' (so to speak) and they end up getting ‘stuck in space.....'

Concluding Part from last week! Ed is put into training to go up in a space shuttle, mainly to find out who is trying to stop the launch of it, and not to actually go up in it. But, of course, he ends up having to go up with another woman pilot. However, the 'baddie' trying to stop the launch makes the shuttle 'breakdown' (so to speak) and they end up getting 'stuck in space.....'

Newton the dog is the new creation of a scientific lab. Newton is ‘a robot dog' who is just like any other dog, except that when a special controller is turned on, he is controlled by it. A group of ‘bad guys' want to use this technology, as they can use Newton to get to places they can't. Beckett decides to look after Newton and take him on a little ride on a train. Little does he know that the baddies are hot on his trail and he ends up losing Newton. The baddies find Newton and give him a little bomb, sending into a building that contains many different types of weapons that are for use in WW3. The team find this out and Beckett goes to find Newton.