Girl decides to write her school project about Cat as she is so mysterious and it would nice to know more about her. The gang decides to help, and soon everyone is following Cat from a distance.

One day, the kids answer the door to find Wedgie, Cheese's missing piece! Wedgie is happy to have finally found her family, but she is so cute that Cheese gets jealous. Things only get worse when Wedgie starts accusing Cheese of being mean to her.