If there was a fragrance in this world, it could kill people without any evidence. So what will the owner do with him? Suspenseful and a bit dark and depressing, the story takes place in two companies, Bian Jin's perfume company and Tian Benli's business company. But they are both engaged in shady underground business. The male, Jungkook, is the only son of the Tian family. He spent five years in the military academy with his uncle since he was a child, and has an extraordinary sense of smell and hearing. Baekhyun's father is actually an experimental maniac. When he first saw Jungkook had been eyeing him since childhood. After checking the information, he found that because of his special physique, he wanted to use him to do the dangerous perfume experiment. He used Bian Baekhyun in a bait to catch Jungkook, but when he arrived at the bridge, Jungkook jumped into the sea with Park Rongha, who was in his heart. After being rescued by his uncle from the military academy, he was reborn with hatred and regret. When Bian Baekhyun found out, he killed his adoptive father. Five years later, Bian Baoxian became a business tycoon. Gu Xinnian, who was dressed in fine clothes, did not expect that the person who had been guiding all of this was the most harmless person...