Gu Ruoling is an ordinary researcher at Qin Pharmaceutical Group. From the day she met Roger, the company's handsome vice president, various bizarre death threats followed. Who did she offend? Her enemies are all over the world, accounting for 1/5 of the population. What on earth is going on? What does the mysterious disappearance of scientists around the world have to do with this matter? Prehistoric civilization? Biohacking? Microbiome? Intelligent design theory? The meaning of human existence? The end of the world? What is all this? I'm going to die, I'm going to die! ! !