'Cheat on Me, If You Can' viewership rating drops to lowest Posted : 2021-01-07 15:51 Updated : 2021-01-07 15:51 KBS thriller series "Cheat on Me, If You Can" saw its lowest viewership rating at 3.6 percent with Wednesday's episode. Courtesy of KBS By Lee Gyu-lee KBS series "Cheat on Me, If You Can" hit its lowest viewership ratings Wednesday at 3.6 percent. The series, starring Cho Yeo-jeong and Ko Jun, was off to a good start with its first episode ― 5.8 percent ― Dec. 2. However, the ratings soon slipped downward, dropping to its lowest with the 8th episode. The comedy-thriller series revolves around best-selling mystery novel writer Yeo-joo (Cho) and her husband, famous divorce lawyer Han Woo-sung (Ko), who repeatedly breaks his promise to "die if I ever cheat."