For Donna Noble, the Andromeda galaxy is a long, long way from home. But even two and a half million light years from Earth, danger lurks around every corner...A visit to an art gallery turns into a race across space to uncover the secret behind a shadowy organisation.From the desert world of Karris to the interplanetary scrapyard of Junk, the Doctor and Donna discover that appearances can be deceptive, that enemies are lurking around every corner - and that the centuries-long peace between humans and machines may be about to come to an end.Because waiting in the wings to bring chaos to the galaxy is The Cult of Shining Darkness.
