A former detective specializing in human behavior is brought in when the launch of an advanced virtual reality program has dangerous and unintended consequences.

The peacefulness of the Midsomer community is shattered by violent crimes, suspects are placed under suspicion, and it is up to a veteran DCI and his young sergeant to calmly and diligently eliminate the innocent and ruthlessly pursue the guilty.

An American police procedural chronicling the work of a fictional version of the Baltimore Police Department's Homicide Unit.