Ashpaw. He's just an average apprentice, and he doesn't desire much. All he wants is to be happy, but it's hard for him to find out how.
Cheetahpaw, on the other hand, is one of the cats who catches everyone's eye. Her attention drives her to be among the best, and she wants more than what she already has.
They clash a lot, and it's not pretty for any of their Clanmates. However, that can't stay that way forever. When their Clan goes under threat, both cats need to change - for better, or for worse - and only Ashpaw and Cheetahpaw can decide their own fates.