A violin tutor at a conservatory in San Francisco is murdered, and the suspects include an eclectic mix of talented musicians. The only clue possessed by the Chief is a message sent by the dead man to one of his students, hidden in a collection of pieces of classical music.
| Creator | Collier Young |
|---|---|
| Actor | Raymond Burr, Don Galloway, Don Mitchell |
| Country | United States of America |
| Production | Universal Television |