Zhang Yiheng, a top student at a criminal investigation academy, wakes up in the body of an eighteen-year-old college student, bound to a system that rewards him for showing off his skills on a livestream. The skills it hands out are distinctly eerie, from picking any lock to spotting hidden valuables at a glance. With police officers Zhang Yao and Lin Jiajia at his side, he starts cracking strange cases in front of a live audience, all while the question of who killed his parents still hangs over him.