Crime Night Hunt

A research couple develops a breakthrough Alzheimer's drug, but assistant Xiong Jiji sabotages the cure, causing Xiao Rongrong to lose her memory. Her husband, Zhang Sheng, mistakenly trusts the villain and remarries, while Xiao Rongrong lives in hiding. Twenty years later, their son, Han Ziyue, is framed and forced to drop out of school to survive. After repeatedly being wronged, he meets police officer Lian Xin. Together, they investigate a drug trafficking case, uncovering Zhang family's conspiracy from two decades ago, recovering the cure formula, exposing the past crimes, and bringing all criminals to justice.