Ji-won attends an event with Ji-hyeok and meets someone who will be a future topic of discussion. Ji-hyuk becomes concerned as he observes Ji-won's transformation. After a heated encounter at the high school reunion, Su-min becomes even more obsessed with Ji-won. Meanwhile, as Ji-won tries to provoke Su-min with Min-hwan, she unexpectedly discovers a secret about Ji-hyuk during a work errand.
Casts:
Park Min-young, Na In-woo, Lee Yi-kyung, Song Ha-yoon, Lee Gi-kwang, Gong Min-jeung, Kwon BoA, Choi Gyu-ri, Kim Joong-hee, Ha Do-kwon, Lee Ha-joo, Moon Sung-keun, Jung Kyung-soon, Jeong Seok-yong, Cho Jin-se, Moon Soo-young, Bae Geu-rin, Kang Sang-jun