In the year 2025, global warming has caused the polar ice caps to melt and the sea to rise, flooding large swathes of land on Earth. Richard and Amy Webber, members of underground environmental pressure group Greenwatch, teach science at…
Richard and Amy are arrested in a raid on the school dictated by The Commission and Glemser, leaving their own children, Greg and Karen, to fend for themselves. They join Ash and Mai-Li to find Goodman, an old associate of the Webbers, at…
Back at The Commission's headquarters, Glemser forcibly interrogates an imprisoned Amy in a malevolent attempt to locate and arrest the missing 'sender' children. Amy tries to send a warning message to Mai-Li for them to escape through…
Goodman is requested to treat an aggressive Japanese leaf worm disease that has apparently broken out on a farm, affecting its crops. After the group arrive, it transpires that the unscrupulous owner of the farm, Harry Fellside, is using…
The children pick up a sudden nearby distress signal from the small Loppergarth Island on their boat. Responding to the call, they sail out to find its village completely deserted with no apparent population living there, save for Gemma,…
Having run out of fuel while at sea, the children are given no choice but to moor their boat on the nearest possible island. While there, they discover space dedicated to parts of the time before the floods, looked after by a strange…
In need of an old car part to power Goodman's broken electricity generator, Ash and Greg travel to the Cartmel scrap market, where goods are now bought by civilians in exchange for euros or bartering items of value with each other. The…
Joshua, a young 'sender' who has been arrested by The Commission, appears to go missing while under their authorised escort transference. Now a fugitive seemingly looking for help from the children, it is eventually revealed that the boy…
Greg sets off to replenish the group's supplies of a vital plant ingredient needed for sunblock, essential in the new climate. During his search trip, he meets a mysterious, attractive brunette, Siren, who appears to have the plant he…
Greg takes a bored Mai-Li and Ash on a boat tour around the nearby islands to avoid staying cooped up indoors. They subsequently receive a morse code message from Paradise Island. Heading there, they discover and attempt to help old…
Greg and Mai-Li investigate an empty dinghy, drifting away in the sea. Suddenly drugged and kidnapped, Greg wakes up in a house with no memory of the prior events, and a young girl, Marianne, tells him that he was found floating alone.…
Goodman takes Ash to the Cartmel scrap market for video spares. While there, he meets Luke, a fellow 'sender', and is lured to fall in with Skylar, a Fagin-like crook who convinces senders to steal for him. In return, Skylar provides them…
Amy appears to escape from The Commission's headquarters, and in an attempt to be reunited with her colleagues and family makes her way back to their base. However, she starts to show more unusual concern for the current whereabouts of…
