Charlie and Johanson have returned to Kiel. They attend a UN meeting in Geneva, where Dr. Roche predicts a worldwide threat to the drinking water supply.
Dr. Cécile Roche detects in crabs that have overrun coasts around the world the same bacterium that entered drinking water on the French coast via infected lobsters.
Venice is experiencing an unprecedented plague of jellyfish. The biologist Cécile Roche has an adventurous assumption about the deaths. Charlie Wagner’s best friend has disappeared with her research ship without…