The Doctor is taken to a Time Lord space Station and put on trial for his life. The Valeyard uses past examples of the Doctors activities taken from 'The Matrix', the repository of all Gallifreyan knowledge to show how the Doctor has interfered with other worlds. In this installment of the Trial story Arc, The Doctor's visit to the planet Ravalox is told and how he interfered with the indigenous population of that world when he saved it from a devastating explosion.