Amy, a 15 year old teenager gets isolated by her friends and boyfriend. Life becomes hard for Amy but with the help of her neighbor who is also a very close friend of her, they overcome all the hardships and difficulties which lie on the path of a lonely girl.

This is a story which includes the entire Stilton family and also Creepella Von Cacklefur. This story tells how Creepella comes to New Mouse City to marry Geronimo. Will Geronimo be able to accept Creepella and forsake Petunia?