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?

Cast

Lee Soo

Min Do-yoon

Si Woo