This is a world where pets and humans have swapped places. The main characters, hu-pets Buddy and Roxy, and their dog friend Titus are wrapping up a case when they hear a racket coming from inside a house. They peek through the window to see –Sparky the hu-pet so upset that he is tearing his furniture apart. He has lost his brother. The group start to investigate and discover that Sparky’s sofa has a portal to a soft world of cushions full of lost hu-pets. With some ups and downs, they manage to find Sparky’s brother and save him from disappearing in the soft world.