Lee Ha yeon is the wife of the heir to the Ilsin Group, who owns everything: a luxurious penthouse, a luxury car, and everything else. Lee Ha yeon was found poisoned and killed in a hotel room. The investigation was conducted in a confidential manner, and the media ignored it. But this case is very mysterious. No fingerprints of the killer were found in the hotel room. There are no signs of breaking the door. If it was suicide, why did she commit suicide? If it was murder, why would someone have killed her? The people around her are all suspects. Li Heyun has a distant sister named Li Hezhen. She is a journalist for a magazine and has a very precious camera. She participated in the investigation to unravel the mystery of her sister's death. Then the shocking truth was revealed... It has been proven that Li Heyun has been engaging in pornographic chats online. It is shocking that the daughter-in-law of a powerful and wealthy wealthy wealthy family did so. Her pornographic videos are also circulating. Then there were statements from the men she met online, who said she had had sexual relations with them multiple times. Lee Ha yeon is a quiet lady during the day, but a sexy lady at night. However, Ha jeong revealed everything one by one. She found that Jae gyu had been putting pressure on Ha yeon, and a dark figure had been trying to get rid of her. Finally, Haqiong stood in front of the shadow, but there was nothing to protect her. Only her camera. Ha jeong must uncover the truth behind her sister's tragic death and put her life in danger.