It's wrong to hold onto other people's pets.
Katie is petsitting her friend Peter's cat while he is on vacation and has realized she loves cats.
Katie wants to have a pet cat.
After returning Peter's cat, Katie goes to the animal shelter and adopts her own pet cat.
Katie tells Peter that she is keeping his cat because she is attached to it now and loves it.
Katie and Peter both have pets they love and a cat is rescued.
Peter gets very angry with Katie and calls the police on her to get his cat back.