A hamster known as Nin-Ham appears out of nowhere. The Hams seem influenced and awe-inspired by this seemongly clever hamster that they decide to pass off as his students and follow his rigorous training methods. However, Nin-Ham is later exposed as a fraud, who actually failed in Ninja School and traveled in order to impress other hamsters. Meanwhile, Laura must confess to her parents that she lied about getting a good score on her math test.