A psychiatrist, Rintaro Hino, listens closely to the aching hearts of people, relieving them of their pain. His practice is growing but despite his achievements, Dr. Rintaro himself falls short in one department: love.
Kang Yeo-joo 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. He is a lawyer, specializing in divorce. He wrote a memo to his wife stating "If I cheat, I die."