Shining Younger Sister

Boo-seok decides to stay at the house of his longtime friend, Faith, for about a week. However, he also meets Shine, his friend's younger sister, whom he hasn't seen in a long time, and discovers that she has matured into a dangerously alluring woman. Can he maintain his composure and sense of reason, torn between loyalty and desire?

People

Lee Soo, Min Do-yoon, Si Woo