Inferno 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.
Vincent and the Doctor While taking Amy to several peaceful locations, the Eleventh Doctor's trip to a museum takes turn for the worse: his interest is caught by a painting of a church by Vincent van Gogh. What troubles the Doctor is that there's a face in the church's window; it's not a nice face, it's a curious, shadowed, creepy face with a beak and nasty eyes. The Doctor knows evil when he sees it and this face is definitely evil; it may pose a threat to the one who painted it. Only one thing will calm the Doctor's nerves: a trip in the TARDIS to 1890 so he can find out from the artist himself.
