Charlotte accompanies Thaddeus on a lecture tour - where Thaddeus is revealing exciting details of a recent natural world discovery which has been made into a rare species - the Malucu Devil Spider. The entire event is suddenly disrupted by the unexpected intrusion of sinister men - eventually revealed to be led by the enigmatic Block, who for some unknown reason has stolen the spider and transported it to a mysterious destination. Meanwhile, staying in the Killimoon mountains on holiday - in the heart of Baronia - is a wonderful experience for the children. However, unknown to them, deep in the magical forest lives Clovis Monk, a deranged recluse and genius scientist who has aspirations to dominate the world. Charlotte is kidnapped by Block and taken to Baronia. Whilst Thaddeus is rescuing her he is bitten by a spider. Meanwhile, back at Killimoon Lodge, Laura is captured by some guards. The other children try to rescue her but get caught on camera and are trapped by one of Clovis ...