"In this electrifying new medical thriller from New York Times bestseller Robin Cook, a family's exposure to a rare yet deadly virus puts them at the center of a terrifying danger to mankind--and pulls back the curtain on a healthcare system powered by greed and corruption"-- Brian Murphy and his family are enjoying a relaxing summer excursion in Cape Cod when his wife, Emma, comes down with mild flu-like symptoms. Their return home to New York City...

In the final days of World War II, the Japanese launch two submarines carrying a new strain of a deadly virus to the west coast of the United States, but years after the subs are lost at sea, someone plots to use their deadly cargo.