After the warrior cat Clans settle into their new homes, the harmony they once had disappears as the clans start fighting each other, until the day their common enemy--the badger--invades their territory.
Trundle's quest for the Crown of Ice leads him and his crew to the sacred island of Spyre where, according to legend, only the Oracle can find the crown, and Esmeralda Lightfoot is convinced she is the chosen one.
Badger is in a bad mood and decides to let everyone know it, but when his mood changes, everyone else is crabby, so he throws a party to cheer everyone up.
When young Toady's nanny brings her son, Badger, with her to work at Toad Hall, Toady, not wanting to share the mansion or lose his status as "the only special someone" there, treats Badger very badly.