The Andromeda Strain

An unmanned satellite returns to earth mysteriously and lethally contaminated. Four scientists - using the most sophisticated computer equipment and sealed off from the outside world - work against the threat of a worldwide epidemic. They slowly begin to unravel the puzzle of the Andromeda Strain only to confront a rupture in the seal of the lab. Their desperate search for a bio-medical answer becomes a split-second race against time.