1x10 - Cheat On Me, If You Can

Yeo Joo walks out calmly from Woo Sung's office after seeing Mi Rae hiding in the bottom cabinet. However, she forewarns him of the topic to come up later at dinner. Baek Soo Jung's manager manages to escape and tells the detectives what he knows. Meanwhile, Yeo Joo orders Soo Ho to find out who sent her the letter without a return address. Later, with Baek Soo Jung's manager's testimony, the detectives come knocking on Yeo Joo's door.