In the late 1980s, a massive explosion rocked the Chunjiang Chemical Plant. Many lives were lost in the inferno, and a group of children were left orphaned. Having lost their parents, they faced the darkest period of their lives. Confused and rebellious, they could see no direction for their futures. Then a girl named Xu Xiaoning entered their lives, soothing their lonely souls and lighting the way ahead. But one sweltering afternoon, someone put Xu Xiaoning on a red motorcycle, and she vanished without a trace. Not long afterward, their orphanage burned to ashes, and two orphans disappeared in the fire.
In 1995, Cai Guohua, the chemical plant director who had supported them, was murdered, his heart cut out. The suspect was Chen Fujun, a laid-off worker. Years later, the police discovered that they had gotten the Cai Guohua case wrong: the killer was someone else. Xia Chuan, one of the orphans, had become a police officer in the hope of finding the missing Xu Xiaoning. He returned to his hometown and reopened the case. Now the bloody killings began again, with every victim found with their heart removed. The case was bizarre and terrifying. Then one day, an autobiography appeared on an online forum, and the police finally spotted a clue. As their investigation deepened, they found that every murder pointed to Xu Xiaoning, who had vanished years ago.
Where did Xu Xiaoning go, and what exactly did she go through?
