Dr. Louis Creed and his wife, Rachel, move from Boston to Ludlow, in rural Maine, with their two young children. Hidden in the woods near the new family home, Ellie, their eldest daughter, discovers a mysterious cemetery where the pets of community members are buried.

The Stranger (Colin Baker), still stranded on Earth, has escaped his pursuers and found a safe haven under an assumed name. But his former associates want him back and are not giving up the chase so easily, and his lost past is about to catch up with him...

The Airzone Solution takes place in a future Britain where pollution has reached a point where the populace must often wear filtration masks when they venture outside. AirZone, a powerful corporation, signs a lucrative deal with the government to deal with the problem. The public is told that AirZone plans to build giant filtration plants to clean the atmosphere, but environmentalists are skeptical, especially when people begin dying and disappearing around AirZone facilities.