And this time, nobody had to tell her that the session had been successful.… The advertisement was everywhere. On buses, social-media feeds, and the glass doors of expensive veterinary clinics, the name appeared in elegant silver lettering: AURELIA COMPANION ACADEMY Elite Behavioral Training for Dogs, Cats & Parrots Its website showed photographs of impeccably groomed animals sitting perfectly beside their owners. A poodle waited beside a café table without touching a dropped pastry. A Bengal cat calmly entered a carrier. A green-cheeked conure stepped onto a stranger’s hand. The academy described its methods as advanced behavioral conditioning, promising owners a level of obedience normally associated with service animals. That was why Mika enrolled her three-year-old toy poodle, Pochi. Pochi was intelligent but excitable. He barked whenever someone came to the apartment, pulled toward other dogs on walks, and occasionally...