It is hard to know what a violent criminal is thinking. But Simon Bo, a brilliant criminal psychologist, can get into the minds of even the most mysterious and violent criminals. He is a professor at The University of Maryland and works as an analyst and advisor on the police department's most violent or hard cases. With the help of his young assistant, Jenny Jian, Simon digs into the thoughts and plans of criminals. As the daughter of a veteran police investigator with a strong sense of justice, can Jenny help Simon open up emotionally while they work together to solve crimes?