Policing may run in your blood, but that heritage only makes the badge feel heavier. When an explosion rocks a park outside the station, this could be the chance to finally prove your worth. With a reputation for being a rogues gallery, Unit 304 is about to be tested with the arrival of a new commanding officer. And when a mysterious stranger also offers to help, it soon becomes clear that you will have to hold everything together to stand any chance of solving the crime.