Ren Li-cha is the girl in a sex video taken without her consent at a birthday celebration. As a result of the clip, Li-cha is teased and abused. Wu Yun-heng, a transfer student, joined Li-cha. She cannot bear how much Li-cha is suffering and is determined to uncover the truth for her best friend. To find out the truth, she is about to disturb the school's tranquility.....