Two police officers, the older Lt. Stone and the young upstart Inspector Keller, investigate murders and other serious crimes in San Francisco. Stone would become a second father to Keller as he learned the rigors and procedures of detective work.
| Title | Time | |
|---|---|---|
| 1 | The Thirty-Year Pin | 1972-09-23 |
| 2 | The First Day of Forever | 1972-09-30 |
| 3 | 45 Minutes from Home | 1972-10-07 |
| 4 | Whose Little Boy Are You? | 1972-10-14 |
| 5 | Tower Beyond Tragedy | 1972-10-28 |
| 6 | Hall of Mirrors | 1972-11-04 |
| 7 | Timelock | 1972-11-11 |
| 8 | In the Midst of Strangers | 1972-11-25 |
| 9 | The Takers | 1972-12-02 |
| 10 | The Year of the Locusts | 1972-12-09 |
| 11 | The Bullet | 1972-12-16 |
| 12 | Bitter Wine | 1972-12-23 |
| 13 | A Trout in the Milk | 1973-01-06 |
| 14 | Deathwatch | 1973-01-13 |
| 15 | Act of Duty | 1973-01-18 |
| 16 | The Set-Up | 1973-01-25 |
| 17 | A Collection of Eagles | 1973-02-01 |
| 18 | A Room With a View | 1973-02-08 |
| 19 | Deadline | 1973-02-15 |
| 20 | Trail of the Serpent | 1973-02-22 |
| 21 | The House on Hyde Street | 1973-03-01 |
| 22 | Beyond Vengeance | 1973-03-08 |
| 23 | The Albatross | 1973-03-15 |
| 24 | Shattered Image | 1973-03-22 |
| 25 | The Unicorn | 1973-04-05 |
| 26 | Legion of the Lost | 1973-04-12 |
