One dark and stormay night, a gypsy name Nasica predicts a deal going down between Black Jack and someone else. But after a lightning her trailer her crystal ball lets her see something dangerous in store for Electro City. When Black Jack discovers her authenticity, he sends Spade and Diamond after her. She runs into the basement of the Ring Theatre and hides in a storage box while Ace is performing his show. She may have escaped but not before Spade and Diamond cause trouble for Ace and Cosmo during the performance. Ace and Cosmo later find Nasica in the Magic Express, and she explains the situation. Ace has a hard time believing her story, but one piece at a time the strange story begins to get together: First the dangerous subtance in a storage box turns out to be strotium, a radium block which at present is unstable and lethal. Second, the way the city is the contaminated is by the water supply, which leads to one of the city reservoirs. Finally, Ace notices Black Jack and Dr. Park