After the victory at the school with the Plutarians, Jonny and his friends felt like it was time for a rest and Sarah had booked them all a holiday abroad. It wasn't long before Jonny realised this was not going to be the holiday he thought it would be. The Plutarians were back with an underwater war planned. It was now up to Jonny and his friends to save the humans on Earth from being brainwashed. Would they have the strength to fight again, but this time before the bubble bursts...
