Satoshi and friends have arrived in a new city. Having looked through a guidebook, Serena knows there is a Star Groomer in the area, and is dead set on meeting him. When they get there, they meet the Star Groomer's apprentice Jessica, who tells them of her trouble with a Trimmien who doesn't approve of her, and refuses let her groom it. Then, another Star (?) Groomer named Mussarie shows up, offering to groom Fokko. Serena hands it over to her, but it soon becomes clear that Mussarie and her assistants are really...!?