The incredible Time Web is finally up and running, and the children are stepping into their roles as official Time Runners! Training to fight the dangerous Virans is tough, but nothing can prepare them for their very first real mission. Transported back to the mighty and dangerous empire of Ancient Rome, Biff, Chip, and Kipper realize that classroom training is very different from dodging real chariots and emperors. The Virans are plotting to disrupt the ancient world, and the heroes have to learn on their feet if they want to stop them. Dive into this action-packed chapter book filled with ancient history, incredible gadgets, and daring escapes as the newly trained team fights to keep the timeline safe.