A wealthy professor consumed by sex addiction. A group of students drawn into a forbidden ethical abyss. When a dangerous game of temptation and taboo takes an unexpected turn — a student mysteriously disappears, and everyone believes their secrets will be buried forever. But the arrival of a new face becomes the first domino to fall. The carefully constructed lies, hidden desires, and painful truths of the past begin to unravel, exposing a world of deception and obsession one layer at a time.

Rule 101 (2026)

★ 3/10 September 30, 2026 1 season

Drama

A wealthy professor consumed by sex addiction. A group of students drawn into a forbidden ethical abyss. When a dangerous game of temptation and taboo takes an unexpected turn — a student mysteriously disappears, and everyone believes their secrets will be buried forever. But the arrival of a new face becomes the first domino to fall. The carefully constructed lies, hidden desires, and painful truths of the past begin to unravel, exposing a world of deception and obsession one layer at a time.

Cast

Jung Myeong-cheol Cha Yun-ho / Lim Chi-won Jung Hyun-woong So Dong-wook Kim Hyun-seo Do Min-woo Kwak Geon-hee Park Seung-heon