During World War II, during a misty morning, near a fishermen's village, four children come across two RAF pilots ejected from a plane that crashed in the sea.
UNIT is providing security cover at an experimental drilling project at Eastchester, designed to penetrate the Earth's crust and release a previously untapped source of energy. Soon, however, the drill head starts to leak an oily green liquid that transforms those who touch it into vicious primeval creatures with a craving for heat. The Doctor is accidentally transported "sideways in time" by the partially repaired TARDIS control console into a parallel universe where the drilling project is at a more advanced stage. Thwarted by his friends' ruthless alter egos, he works to save both universes.
A young conservative black man, minding his own business, rides a nearly empty subway car. The only other passenger, a blonde vixen looking for trouble, sizes him up. Sexual tension, racial bigotry and righteous fury collide in a razor's edge confrontation between this unlikely pair.
