The weed has complete control of Chief Robson and threatens to conquer Earth.
As the weed breaks into the Pipeline Room at the refinery, Robson kidnaps Victoria.
Investigating the impeller shaft, Van Lutyens is overwhelmed by the weed creature.
Despite the mounting evidence, Chief Robson refuses to acknowledge the approaching danger.
As the situation worsens at the refinery, Chief Robson refuses to halt the gas flow.
The Doctor, Jamie and Victoria find themselves on Engalnd’s coast near a gas refinery.