Cho Yeo-Jeong and Go Joon are cast in KBS2 drama series “If I Cheat, I Die” (literal title). The genre of the drama series is a comedy-mystery-thriller. The duo will play lead characters who are husband and wife. Cho Yeo-Jeong will play mystery writer Kang Yeo-Joo. Because of her job, she is constantly thinking about ways to kill people. Meanwhile, Go Joon will play her husband Han Woo-Sung. He is a divorce lawyer.
Plot Synopsis by AsianWiki: Kang Yeo-Joo (Cho Yeo-Jeong) is a best-selling writer. She only writes crime stories, dealing with cruel murder cases. She constantly thinks about how to murder people for her novels. Kang Yeo-Joo is married to Han Woo-Sung (Go Joon). He is a lawyer, specializing in divorce. He wrote a memo to his wife stating “If I cheat, I die.”