Morris Chestnut stars as the titular doc in the new CBS procedural Watson — and if you’re wondering where his Sherlock Holmes is, a new trailer offers a big clue. CBS unveiled the trailer (which you can watch above) on Wednesday,

He tells the doctors on his staff, “Everyone who comes into this clinic is a mystery. Solve a mystery, save a life. You four are the smartest doctors I could find, but our patients don’t need doctors—our patients need detectives.”