Old secrets, new dangers! The Winter family and their friends travel to Rogos Veridis to carry out secret missions. While Lilly desperately searches for traces of a mysterious probe, the children discover ancient statues that hold clues to a vanished civilisation. At the edge of the red dwarf system, a hidden base of the Brotherhood of Wolves lurks in the shadows. Halofax and Gunnar must face Monarch Ragnar to answer for their recent actions. Meanwhile, during a grand ceremony on the Moon Station, Astrolabius receives an unexpected honour — and a gift that will change his life forever.