Hao Shun, an unemployed vagabond, acted bravely and was mistakenly arrested as a molester by policewoman Chen Xuanran. During the crisis, he awakened the detective system and gained the "Ghost's Eye" skill. He relied on the system to lock down criminals and stimulate them to break through the heartbeat threshold to obtain clues, and successively solved many major cases such as the old case seventeen years ago, the Rainy Night Sex Demon case, and the child trafficking case. During this period, he convinced the doubter Di Yifan, solved the misunderstanding about being expelled from high school, and developed feelings for each other from mutual hostility to Chen Xuanran. In the end, Hao Shun became an official cooperative detective, gained honor and love at the commendation conference, and staged the legend of the handsome detective's counterattack.
