Cheat On Me, If You Can Temporada 1 Episódio 6

Although the police have Yeo Joo as a suspect, she plays it cool and believes that they cant pin anything on her without a motive. However, little does she know, the police have Woo Sung on camera entering Baek Soo Jungs studio apartment. Later, Woo Sung decides to tell Yeo Joo about his affair with Soo Jung, and his blackmailer collapses when he realizes he doesnt have the footage of Woo Sung anymore.