1/4 The Doctor and Romana follow a distress signal to the jungle world of Chloris.
4/4 Scaroth intends to travel back in time to save his own people from destruction.
3/4 Count Scarlioni is really Scaroth, last of the Jagaroth.
2/4 Scarlioni is planning to steal the Mona Lisa. Yet he has six in his cellar –all genuine.