It's Sammy's birthday, which should be a good thing, except that Dorito, Sammy's cat, is missing, and while Sammy's searching for him, she finds three dead cats in dumpsters around town. Worse still, Miss Kitty, a psycho cat lady, blames Sammy when it turns out one of the dead cats belonged to her. As if Sammy didn't have enough on her hands investigating these furry felonies, her mother has a confession to make: she lied about Sammy's age so she...