Seventeen-year-old Lin Xiaoxia thought that her secret love was just hiding behind the seventh row of bookshelves in the library and counting the number of times Gu Yan flipped through "The Collection of Birds". Until that rainy night, she heard the ventilator alarm in the anonymous audio - the machine that maintained Gu Yan's mother's life was being quietly destroyed by someone using 17Hz infrasound waves.
The half-cut cherry blossom pencil handed over by top student Gu Yan contained a positioning chip, and the school beauty Su Qing's pearl earrings contained poison capsules. When her mother was falsely accused of being the scapegoat for a medical accident, Lin Xiaoxia finally understood the butterflies outlined in red pen on her homework book - they were not the thoughts of a young boy, but the code for a countdown to death.
The most perfect murder often begins on a heart-pounding afternoon in childhood.
Intention: growth