David has less than two days to discover a drug cocktail that will prevent a premature baby from becoming HIV positive. After he discovers a mixture that will save the baby, he encounters a number of bureaucratic roadblocks because the drug has not been approved.

Carlos continues to research the new super strain of HIV with former colleagues in Africa, and realizes that his place is at NorBAC.

Mayko and Simon’s investigation of dramatic IQ spikes in children who have been exposed to prion-laced chicken takes them to the United States. They make a brilliant finding but the results are devastating. Meanwhile, Mayko is troubled by some news she discovers about Simon.