After forgetting to study for her math test, Bon Bon decides to cheat. She gets away with it, but is disappointed from her lack of skill. Teddy discovers Bon Bon's diary has an entry about the cheating. He tells Bon Bon he will show off the entry unless he joins him at the ball concert. After Sweetheart has a small talk with Teddy, he hands the diary to Miss Hackney and Bon Bon confesses that she cheated in her test. Miss Hackney returns the diary and has Bon Bon retake the test. Bon Bon passes, but Teddy flunks his test. Bon Bon offers to study with him so they can pass the next test before going to the ball concert.