The police call in Holmes and Watson to consult on a homicide “heard” by a cutting edge gunshot detection system when they can’t find any tangible evidence that a crime…

When Watson is implicated in a DEA investigation into doctors writing illegal prescriptions, she and Holmes search for the person using her medical license to sell drugs.

The team gets a major break in the Sandstorm case when they discover Shepherd’s true identity… and a decades-old connection between her and Weller.

A college professor involved with a questionable scholarship program is murdered; Danny is investigated for ethical and procedural violations.