Mara Turing finds a piece of paper in her pocket that hints she might be able to see her Uncle Arnold once again. Now that they re all back in Liverpool, she tries to go on with her life as usual but can t get that possible reunion with her uncle out of her head.The Salamander Squad has a clear mission for the new school year. Saint Michael s nerds are their next best targets for all the videos they ve got planned out for their online channel. Hermes, the artificial intelligence, considers these gang members a useful resource to hunt down Mara, Noa and Daniel and use them as bait to lure Arnold Turing out of his hiding spot.Meanwhile, Falko McKinnon can t bear being locked up in Hidden Peak any longer, so he comes up with a break out plan that s insane and unlikely to work. But? what if it does work