Heroes - Friends and Faux Alike!

Heading towards Shalour City, Ash & Co. enter a town where they are quickly apprehended by Officer Jenny, who claims that three people known as Ash, Serena and Bonnie, who have a Pikachu and a Dedenne, have been caught out numerous times in the town dine-and-dashing, among other things. Ash & co. protest their innocence and decide to help Officer Jenny find the people who are besmirching their good name. Will they be able to find them and resolve this?