Getting inside the head of a violent criminal is not easy. But Simon Bo, a brilliant criminal psychologist, has the ability to get into the minds of even the most mysterious and violent criminals. He’s a professor at The University of Maryland and works as an analyst and advisor on the police department’s most violent or difficult cases. With the help of his young assistant, Jenny Jian, Simon delves into the thoughts and intentions of the criminal mind. As the daughter of a veteran police investigator with a deep sense of justice, can Jenny help Simon open up emotionally as they work together to solve crimes?

The lives of a college student and a video game designer are kept being reset after an explosion on a bus. During each reset, they have to work together to find out what the reason for the explosion is. Will these two be able to save themselves and their fellow passengers? Will they be able to close the time-loop?