A virus over a billion years old. A team of weary virus hunters. An unthinkable enemy. The end of mankind. When Jenna, a Ph.D. in virology working for the Centers for Disease Control and Prevention, stumbles upon a new virus concealed within an outbreak of Ebola, she discovers something far more terrifying: unimaginable, living, and experimenting with the human race, a sentient virus with a distinct plan. It surfaces, directing its team of children...