A pupil’s plagiarism case appears tied to key evidence that would exonerate Jong-hoon. As proof piles up in opposition to Jong-hoon, he’s interrogated by the police. On an exam, Han Joon-hwi’s past hassle with the varsity is used as a prompt. During a mock trial at college, a pupil makes a surprising discovery. Yang Jong-hoon, a former prosecutor-turned-professor, examines the crime scene.