Young genius perfumers Saeko and her colleague Riona embark on a forbidden experiment to develop a new fragrance. In the process, they involve their superior—also Riona's husband—the company's managing director, triggering a series of grotesque BDSM and lesbian acts within the laboratory. The hidden desires of the two perfumers spiral out of control as scent and passion merge. An unknown pleasure lurking deep within fragrance, and a world of taboo hidden behind the workplace, draw ever closer.