Rabbit ronin Usagi and the bounty hunter Gen face a dilemma of unexpected dimensions when a shortcut through a forest turns into a dangerous guessing game!

There are some mysteries in the wild that are best left undisturbed, as Gen and Usagi discover while traveling through an area reputed to be the home of a trickster fox. Momentarily separated, when the two meet up again, Gen has the unsettling suspicion that what appears to be Usagi may be someone—or something—else entirely. As Usagi begins to behave more strangely, how will Gen decide if that is really his friend by his side?