Actress Jang Shin Young revealed the truth.
On the last episode that aired on the 17th, Shin Hye Ra went on as a witness in the trial.
Shin Hye Ra said that she was PK Jun(Lee Yong Woo)'s girlfriend. To this, Choi Jung Woo revealed all the text messages PK Jun sent which put all the blame on Shin Hye Ra and made her guilty.
At that moment, Shin Hye Ra remembered what Kang Dong Yoon said, "I am a sinking ship. Put everything on me and you survive." so she told all the truth she knew. Then she said that she is not the girlfriend and she has a secret black box video and put Seo Ji Su in danger.
Also, on this day, Jang Shin Young uploaded a spoiler picture on her Me2day.