Top perfumer Heather has the top-secret formula "Eternal Breath" that can subvert the industry, and has become the coveted target of all forces. A well-planned car accident plunged his life into the abyss. When he opened his eyes again, he traveled to an imaginary ancient dynasty and became a lowly apprentice in a spice shop. What shocked him even more was that everyone he met in ancient times - the harsh shopkeeper, the mysterious guest, the sinister detective - had the exact same face as his modern relatives, friends and rivals, but he had no memory of it.
With his extraordinary sense of smell, Heather started from a bizarre case of the sudden death of a nobleman. Through the smell of compound spices left on the deceased that should not have appeared in ancient times, he uncovered a huge conspiracy that spanned government and business and involved imperial power. He used his modern knowledge of chemistry and experience in perfumery to repeatedly solve strange cases in ancient times and became famous. However, every time he solves an ancient mystery, he will "see" the corresponding changes in modern time and space in dreams or through specific smells: the crisis of his beloved Qiaoqi's company deepens, the power of his opponents becomes stronger, and the details of the car accident become clearer - it is no accident -
