Since Bruce Wayne just had to go and get himself kidnapped by Scarecrow, Little Batman (a.k.a. Damian Wayne) finally has a real case to solve. But to crack the clues and save his dad, he'll first have to defeat every kid's worst nightmare: a babysitter. With fear toxin now back in Gotham, everyone's getting a little scared... even Bruce Wayne, who fears that Little Batman might be falling right into Scarecrow's trap.