In this pulse-pounding addition to the On the Hill Series, Cold War tensions ignite in an unlikely battleground: a blue-collar Philadelphia neighborhood known simply as the Hill.

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When the President of the United States dispatches a covert operative to investigate a mysterious Siberian mining operation, he uncovers a chilling conspiracy: Russian scientists are developing a revolutionary bacteria with devastating potential. Their target? American soil. But no one could have predicted where this invisible enemy would strike—or who would stand in its way.

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As residents of the Hill begin exhibiting bizarre behavior, four determined high school baseball players join forces with a pair of street-smart detectives and an Irish grandmother who claims to communicate with the dead. Together, this unlikely alliance races to unravel a conspiracy that hits closer to home than anyone imagined.

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Hidden within their neighborhood lies a secret Russian laboratory. And time is running out to prevent a catastrophe that could reshape America forever...