Cheat on Me If You Can () is a South Korean television series starring Cho Yeo-jeong, Go Jun, Yeonwoo, Kim Young-dae and Kim Ye-won. The series directed by Kim Hyung-seok and written by Lee Seong-min follows an unconventional and intense story about Kang Yeo-joo, a novelist who wrote a memorandum to her husband Han Woo-sung, a divorce lawyer, stating, "If You Cheat, You Die". It aired on KBS2 from December 2, 2020 to January 28, 2021 on Wednesdays and Thursdays at 21:30 (KST).
A comical mystery thriller between a divorce lawyer and his wife, a criminal novelist who only thinks about how to kill people. She wrote a memorandum stating, "If you cheat, you die".
The series, also known as You Cheat, You Die, You're Dead If You Cheat, and If I Cheat, I Die, is directed by Kim Hyoung-seok and written by Lee Sung-min. In July 2020, Go Jun was confirmed to play the lead role. Bae Noo-ri was confirmed in August 2020. The first reading of the script was held in August 2020.
On August 22, KBS announced that in an emergency meeting they decided to stop production. The filming of the series would stop to prevent the cast and crew to become infected with COVID-19, as new outbreaks of the disease were reported. On October 13, first look poster and first air date was officially announced. The drama's first poster apparently purported to show an important clue, as it shows a document inside a plastic bag taped shut at the scene of a crime. The document is stained with blood and reads, "If Han Woo-sung has an affair with another person after he has married Kang Yeo-joo, Kang Yeo-joo will have all the rights to Han Woo-sung's body."
Episode 8 did not air on Thursday, December 24, 2020 to allow the airing of the 2020 KBS Entertainment Awards.
Episode 9 did not air on Thursday, December 31, 2020 to allow the airing of the 2020 KBS Drama Awards. It aired on Wednesday, January 6, 2021.
According to Nielsen Korea the first episode of the series recorded 5.8% average audience viewership nationwide and 6.2% in metropolitan area. It ranked first among Wednesday and Thursday dramas.