Molly discovers a group of neighborhood cats that have formed a secret spy club. Intrigued, she decides to join their ranks, despite being a rookie. Together, they embark on comical missions, such as retrieving lost toys from neighboring dogs, investigating mysterious noises in the night, and attempting to solve the case of the missing treats from the local pet store. Molly's enthusiasm and clumsiness add a humorous twist to their undercover adventures.