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?

Eager to be a good mentor, Bon takes Yumiko on her first mission to Chichén Itzá in 1978. Will Bon’s new assistant make a good agent — or stir up trouble?