A stopwatch has sixty thin black lines, each marking off the seconds in a minute. But in Tom’s stopwatch, they are also gateways to sixty different worlds ...

Bilby misses his friend Mother Bird, so the stopwatch takes Tom and Bilby to the Land of Leevan to cheer him up. They soon discover a kind family of Beeres and Tom joins them on their quest to find an adventure. But when they stumble onto another human visitor, the joyful land is in danger.