Cleopatra arrives in Rome to pay her respects to Caesar--and to attempt to get her son legitimized. Frustrated by Mark Antony in his attempt to secure his inheritance, Octavian takes out a loan to pay off Caesar's promise to the people. Mark Antony orders Vorenus to assume Erastes' captaincy, and he and Pullo bully the warring gangs into an uneasy truce.
Oscar Newley has perfected a new fuel injection system for his racing car and approaches Simon for financial backing.
In a spoof of Sherlock Holmes, Sir Arthur Doyle, investigates a careless criminal, who left clues everywhere. But no one can solve the crimes, not even Steed, because all clues are fakes...
High society claims Cathy and Steed goes shipbuilding when three murderers come into power.