Posing as a hitch-hiker, Lulli thumbs a lift with Uncle Harry's villanous troupe. But the Joker has anticipated her action and she walks into a trap. In this episode, Tarot and the Joker finally come face to face. But is Ace the trump card?

Tarot meets a new adversary - the beautiful but deadly Thalia. With her monosyllabic brother Dalbiac she steels a top-secret weapon.

Thalia and Dalbiac are holding Lulli and Dr. Winthrop prisoner in a remote windmill. Thalia plans to use the deadly H.23 gas on them to prove its effectiveness to a potential buyer. But when Tarot arrives he is welcomed with the gas instead. The nightmare begins...