A dangerous airborne virus threatens civilization in this tense thriller. After an African monkey carrying a lethal virus is smuggled into the U.S., an outbreak occurs in a California town. To control the spread of the disease, a team of doctors is brought in that includes a contagious disease expert (Dustin Hoffman) and his ex-wife (Rene Russo). Once the Army intervenes to handle the situation, though, the doctors must fight against the clock to save the town and its residents.