Caesar pursues Pompey to Egypt, where he is received by king Ptolemy, who seeks an ally against his rival to the throne - his sister Cleopatra. Caesar finds good chemistry with Cleopatra, but problems in Rome require his return to Rome.
Caesar implements important reforms and grows more powerful and popular in Rome. He acts like a king and plans to become a dictator in perpetuity. To demonstrate his power, he plans to conquer Parthia. However, the Senate and Brutus in particular, are outraged.