In this tale set in the ancient Inka empire, Little Chaski has a big job: he is the Inka King's newest royal messenger. But on his first day things quickly start to go awry. Will Little Chaski be able to deliver the royal message on time?

Gauche Suede, a member of the Letter Bees, a corp of messengers who risk their lives to keep the lines of communication open in the dark, giant insect-infested world of Amberground, is surprised to find his last task of the day is to deliver Lag Seeing, a young boy whose mother has been abducted, to his aunt, on a dangerous journey that inspires Lag to become a Letter Bee.