'A large green ocean splashed upon blue sand' * warning, contains spoilers* The series follows the continuing adventures of a future incarnation of the Doctor and his current companion Jenni; (who has followed other companions such as E'lan and Aaron) as they travel around the universe visiting different planets and time zones. The Doctor picks up a new companion, Jenni (Amber Wilkinson), a rather sarcastic twenty-something year old from the south west of England.