Detective Kien investigates a headless body found in a rural Vietnamese village during the Nguyen Dynasty. As supernatural elements emerge, he faces chilling twists in this 19th-century mystery.

Thach Thao is a beautiful girl with an angelic beautiful voice, and the first time she sang on stage at Itango Club, Thao immediately caught the eye of a music producer named Son. Then, she was invited to cooperate in filming a music video called "A Fragile Flower". After the music video was released, Thach Thao became a renowned singer. She is beautiful, talented, so many men love her. Then, which man will Thao's heart belong to? And what is the dangerous disease that she encountered?