A few months pass since Blythe left for her summer junior program, but her dream school is not as exciting as she thought it would be when all the campus talks about is fashion. Meanwhile, aching to see her in person again, the pets come up with a plan to visit Blythe while she is away at fashion camp for the summer.
Penny Ling decides to give Sunil a superhero outfit and make the two of them a superhero duo in order to help Sunil overcome his fears. Sunil pretends to rescue his friends, which becomes a problem when he believes he actually has superpowers. Meanwhile, with the help of Russell and Sugar Sprinkles, Blythe helps Youngmee and her aunt Christie find an ideal parking space for the Sweet Delights truck, only to compete for it against the Biskit Twins.
Blythe must trade in her scooter for a sales kiosk in order for her to enter enter the International Pet Fashion Expo. Meanwhile, Roger's airline launches a "Pet Jet" service, with the pets using it to launch one of their largest fantasies yet.
While at a photo shoot for Tres Blasé magazine, Zoe and Russell take on a passive-aggressive pet model named Tangier, who tries to sabotage Russell; simultaneously, Blythe substitutes for an assistant of Mona Autumn, the magazine's editor.
When Russell sprains some quills and ends up in a traction ball, he finds himself with nothing to do but stare out the back window where he is certain he catches Josh Sharp stealing Blythe’s discarded design sketches from the recycling bin.