La segunda profecía (Gregor 2)

Although he vowed never to return to the dreadful Underland, when his sister Boots is taken, Gregor has no choice but to go back. Once there he is reunited with his bat Ares and the Princess Luxa. Together with them and some new allies, they must find an evil rat named Bane. If they do not succeed, Gregor's future, as well as Underland's fate, will never be the same