Season 1
- 1Cloud of Guilt7 Feb 1975
- 2Mask of Deceit14 Feb 1975
- 3Gift of Anger21 Feb 1975
- 4A Game of Terror28 Feb 1975
- 5Triad7 Mar 1975
- 6Ransom14 Mar 1975
- 7Jade Murder (aka Image of Jade)21 Mar 1975
Oriental actor Khigh Dhiegh stars as a wily Asian private investigator who uses as his base of operations an office in San Francisco's Chinatown, in this detective-adventure series.