Su Tang is an art gallery director and art appraiser, the only daughter of the famous florist Su Zhiyu. Her mother died young, but Tan received a good education from childhood, she was very pampered, and she grew up in an atmosphere of love. Her husband Peng Jae is calm and thoughtful. He went through a painful childhood experience associated with the divorce of his parents, and grew up with his father.
Su Tan and Peng Jae run an art gallery together, and their marriage seems perfect and full of love. But what if one day you find out that the person sleeping next to you is a terrible serial killer?