Warrior Cats - The Origin of the Clans

Also the young tomcat Donner rejects the unscrupulous behaviour of cloudy skies and returns to the bog cats without hesitation. Grey Flight is now certain: he must seek out cloudy skies to prevent worse. But what begins as a misunderstanding between the two brothers ends in a catastrophe. Everybody, the cats from the mountains as well as strays and former house kittens, have to decide for one side.