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."

• Cho Yeo-jeong
• Go Joon
• Kim Young-dae
• Yeon-woo
• Song Ok-suk
• Jung Sang-hoon
• Lee Si-eon
• Kim Ye-won