After narrowly escaping erasure, Bon must learn the ropes of being a Time Patrol agent. His first mission: 1947 Tokyo in the midst of Typhoon Kathleen.

In 1500 B.C. on Crete, Bon and Ream experience the dire consequences of neglecting their Time Boats. Will they be able to save their targets in time?

The crew warps to 490 B.C., saving lives at the Battle of Marathon. Later, Bon carelessly changes history and must take the place of an important herald.

Bon and Ream become stranded in the future while on a dangerous mission to rescue a "Time Tripper." Will they be able to find their way back home?