The adventurers discover they have lost Summerlee and have to withstand attacks from both humans and monsters. Tribune saves Roxton from the waterfall.
Roxton, Malone and Challenger help an Amazon woman attacked by a Raptor. Challenger gets injured and the Amazon tribe repay the adventurer by healing him, but have other things in mind for the men.
Challenger has made a windmill to produce electricity, a storm brews and ball lightning creates a portal that allows a helicopter with engine trouble to come through from the year 2000. This brings up the question of time travel once more.
Our adventurers end up in a haunted castle with secret passages, cobwebs and all. After some strange circumstances, they feel compelled to re-enact an intriguing murder/mystery which eventually leaves their fate in the hands of Challenger.
A horse with no rider approaches our adventurers. Roxton mounts it and gets taken to the clutches of an evil wizard who wants to use Roxton for evil doing.
A mystery woman tells Veronica that her parents are alive. Veronica then unwittingly releases a savage giant from captivity. Marguerite and the others must then subdue him again.
During a drought, the explorers find a young woman, Anna, with the secret of eternal youth which Marguerite is very interested in - but is there a catch?
A stranger, Alex, appears from an expedition trying to find a source of the Amazon, and when Veronica and Marguerite fall for him, sparks begin to fly.
Roxton and Marguerite discover some pirate's treasure that comes with a curse, this however does not put off Marguerite about keeping it at first, but other circumstances eventually change her mind.