Location: New Earth Date: 5,000,000,023 Enemies: Lady Cassandra, The Flesh, Sisters of Plenitude In the year five billion and twenty-three, after the destruction of the Earth, the Doctor takes Rose to the New Earth. There, in a hospital facility, the feline Sisters of Plenitude can mysteriously cure any diseases, but, in the basement, an old enemy of the Doctor is out for revenge.