When a canister of a deadly virus disappears and a lab technician starts bleeding from the eyes, Toni Gallo, the security director of a Scottish medical research firm, knows she has problems. When a Christmas Eve blizzard whips out of the north, a group meets in a remote family house: Stanley Oxenford, the research company's director, who has developed a drug to fight the virus; his children who have their eyes on the money it will bring; Toni Gallo...