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In crabs that have overrun coasts around the world, Dr. Cécile Roche detects the same bacterium that entered drinking water on the French coast via infected lobsters.
Cécile Roche reports to a commission on the dramatic situation on the French Atlantic coast.
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.