The Grells were rescued from their dry and dying planet by humans, only to be turned into slaves on earth. Now the aliens are rebelling against their masters, fighting a guerilla war against a government lead by men like High Secretary Paul Kohler (Ted Shackleford). When a jet carrying Paul, his wife Olivia (Marina Sirtis) and their children is shot down by a missile, his Grell slaves Jesha (Maurice Dean Wint) and Ep (Gerry Currie) have the opportunity to escape. Ep breaks for freedom and is killed when Paul activates the electronic slave collar all Grells must wear. Jesha, driven by his love for Paul's children Sara and Ken, stays and rescues his master's family from the jet's twisted wreckage. Despite his horror at Ep's death and Paul's brutal treatment of him, Jesha remains loyal to the humans. He rescues Sara when the rebel slave leader Shak-El (David McNally) captures her. Then he uses Grell alchemy to heal Paul, who has been mortally wounded in a fire fi