Kevin witnesses a man being kidnapped but before he can inform the police he is stung by a mosquito and falls into a coma. At the hospital, Adam and Megabyte meet Ami Jackson, a girl who has been having visions of Kevin.

Adam, Megabyte and Ami perform a mind merge to try and locate Kevin. Their investigations lead them to encounter the mysterious Doctor Culex.

Adam and Megabyte manage to teleport Ami to safety. Returning to Culex's house, they find Kevin in a comatose state and Culex moving her operation.

The Tomorrow People learn that Culex's plan involves Doctor Connor, a scientist who has just invented a machine that can duplicate things. However, they are unable to warn Damon in time to stop Connor's son being kidnapped.

Culex is planning to use Connor's machine to create a swarm of her deadly mosquitoes and is using Richie and the cure that could save Kevin and the others as leverage. The Tomorrow People steal the machine in an attempt to locate Culex but the plan goes wrong.

Prof. Middlemass is an evil professor who wants to control all the weather in the world in order to kill everyone farm crops so everyone will have to buy food from him.

Ami realises that the Cobb Cereal Company were behind Lucy's kidnap and she and Megabyte travel to America to investigate Cobb.Meanwhile, Adam and Lucy check out the warehouse where she was held prisoner.

Adam rescues Ami and Megabyte from Cobb's trap and the three of them check out Cobb's office to try and learn his plans.Meanwhile, Cobb sends Middlemass to sabotage a satellite launch.

The Tomorrow People realize that Cobb is planning to use the satellite and Middlemass' invention to gain control of the weather.Cobb intends to destroy his rivals' corn supply but if unchecked his scheme could unbalance the world's ecosystem.