Erian Di is the daughter of a reclusive alchemist. Her father was never involved in her education or upbringing, but before her first ball he suddenly remembers his daughter and gives her a necklace of extraordinary beauty. At the reception, it is learned that the necklace belonged to the royal family and disappeared sixteen years ago along with its owner. Stunned by questions and suspicions, Erian runs home in the hope of clarification, but she is no longer at home. Alchemist Dee was accused of illegal research, and he fled from his pursuers, leaving his faithful servants, the young student Merion and his only daughter to the mercy of fate... What awaits young Erian Dee? Love, disappointment, the secrets of alchemy and the philosopher's stone?