Choi Kang-hee was shocked by Yoon Hee-seok's betrayal.
On the latest episode of the KBS 2TV drama "Mystery Queen", Yoo Seol-ok (Choi Kang-hee) found out Kim Ho-cheol (Yoon Hee-seok) was cheating on her.
Yoo Seol-ok found a couple's invitation in their bedroom and put on a dress Kim Ho-cheol bought for her.
Ha Wan-seung (Kwon Sang-woo) spotted her catching a taxi and gave her a ride. Yoo Seol-ok looked for Kim Ho-cheol once she got to the venue.
However, Kim Ho-cheol was with a woman. The woman was wearing the same dress as Yoo Seol-ok. She hid.