Steve must work with a Soviet agent (Lisa Farringer) to recover secret weapons from both countries, stolen by a terrorist.

Both Steve and the nation's computers oppose a rogue computer bent on electronic domination.

A device threatens to take over all computers; guest Robert Walker Jr.

A black-garbed, murderous double stalks Steve; guest Linda Dano.

A crime lord steals a $5-million art masterpiece from a touring Soviet exhibition; guest Bibi Besch.

Disease and revolution threaten islanders who are descendants of an advanced alien race.