Mysterious evil tycoon John Bradford Horn returns to steal Airwolf after a botched murder, and a chance encounter, reveals the location of the Lair.

While visiting Hawke's old Vietnam buddy Greg Stewart, Dominic & Hawke become unwitting pawns in a potentially deadly custody battle between Greg's mother, Martha (June Allyson) and ex-wife Rainey. Rainey refuses to sign over custody of their infant son to Greg, and Mrs. Stewart holds Rainey hostage at their estate until the papers are signed. Even worse, the sinister Sheriff Waldren is on Mrs. Stewart's payroll.