A primatologist and a geneticist team up to try to save the city of Chicago when animals become infected with a dangerous pathogen and wreak havoc on the town.

When Goodall first presented her discoveries about chimpanzees at a scientific conference, she was ridiculed by the chairman. She was too young, too blond, too pretty to be a serious scientist, and worse yet, she had virtually no formal scientific training. She had been a secretarial school graduate whom Leakey had sent out to study chimps only when he couldn't find anyone better qualified. And he couldn't tell her what to do in the field--nobody...