When Riley's time machine transports her to the first century B.C. Egypt, she finds herself a maid in the household of Antony and Cleopatra. Before long, her good looks and knowledge of world affairs brings her special attention from the Egyptian ruler, and they begin a torrid affair.

When Antony discovers their secret liaison, the queen invites him to join in the fun and soon Riley becomes a trusted advisor to them both. After Julius Caesar is assassinated in Rome and Antony loses his political leverage, the newly aligned forces of Caesar Augustus begin closing ranks on Alexandria.

With Riley providing advance intel of their planned invasion, the Egyptian navy is able to fend off the Roman armada long enough for the two rulers to make their escape to Mesopotamia. With the famous lovers able to live out the rest of their days in safety, Riley sets off for her next time travel adventure as a bounty hunter in 2125...