Chu Jingjia is a cute girl who entered the criminal investigation major of the police academy under the influence of her father. Luo Fanglin is a student majoring in forensic medicine at the Medical University. He is currently an intern at the police station and is just waiting to pass the exam and become a regular employee after graduation. Our story begins when the cute girl Chu Jingjia went to the police station for an internship during the summer vacation.