“If You Cheat, You Die” is a is comic mystery thriller about a novelist wife who only thinks about how to kill people and her husband, a divorce lawyer who wrote a memorandum titled "If You Cheat, You Die". It tells an unconventional and intense story about adults who do bad things with guilt.
This is a drama between Kang Yeo Joo (Jo Yeo Jung), a criminal novelist who only thinks about how to kill people, and her husband, Ha Woo Sung (Go Joon) who is a divorce lawyer who wrote a memorandum saying, ‘If you cheat, you die’.