Discovered during a 25th-century archeological dig, petrified caveman Flint is brought to the Bureau of Time and Space Investigations and de-fossilized. He finds a future utterly unlike his previous life: Time travel is now available to everyone, including criminals! In this volume (episodes 7-9), Flint visits 1590s Japan, ancient Egypt, and 1850s Paris, where he must confront the evil Petra and keep her from corrupting the timeline.