Accompanying their journalist parents to the 2021 Summer Olympics in Tokyo, twelve-year-old Andy Kudo and his eleven-year-old sister Mika find themselves immersed in an augmented reality game developed by a former Olympic medalist, that brings players together from all over the world to search Tokyo for virtual medals and clues to the secretive creator's identity.
When the Kudo siblings visit New York City, their sightseeing plans are interrupted when a very special dress, the centerpiece of their aunt's fashion collection, goes missing, and Alex and Mika embark on a chase around the city to find it.
Accompanying their journalist parents to the 2020 Summer Olympics in Tokyo, twelve-year-old Andy Kudo and his eleven-year-old sister Mika find themselves immersed in an augmented reality game developed by a former Olympic medalist, that brings players together from all over the world to search Tokyo for virtual medals and clues to the secretive creator's identity.