In the vibrant nights of Las Vegas, USA, the city shines brightly with a kaleidoscope of dazzling lights. Dr. Tom Lane, a renowned infectious disease expert from Los Angeles, and his assistant Ling Feifei have just finished their intense work of saving patients and are now enthusiastically enjoying the stunning night views. At the same moment, Yu Xiaodong, a Ph.D. graduate student at the University of Los Angeles attending the American Molecular Biology Annual Conference in New Orleans and also Ling Feifei's husband, is feeling restless and melancholic. His mentor, Professor Stanbeck, a leading authority in molecular biology, unexpectedly introduces him to the conference, drawing the attention of Dr. Finley from the Federal Bureau of Investigation...