The Alpha Incident (1978)

Plot

A space probe's return from Mars carries an unwelcome stowaway: a deadly microorganism. As it spreads through a railroad office, chaos erupts among the unsuspecting passengers trapped inside. With limited options and mounting panic, they must confront an invisible enemy that threatens their very lives. Tension escalates as they struggle to contain the outbreak and discover the organism's true nature. Survival becomes the ultimate goal in this gripping sci-fi thriller, where fear and uncertainty reign as the clock ticks down.