Fighting crime in the big city requires a strong and united police force. But when the crime you're investigating implicates your own, the job becomes more difficult. That's the task that confronts the 'Blue Murder' team, a group of investigators who are responsible for handling the high profile, messy cases that have the potential of damaging the reputation of the very police force in which they serve. This is their world - a world where solving the crime can be more dangerous than committing one.