The adventures of Adam Strange (Anthony Quale) ex-police criminologist, a skilled solver of crimes that have baffled the best minds of Scotland Yard. When all other routes of investigation ha failed, Strange would be called upon. Due to being freelance, he was able to pursue his crime-solving hobbies without the restrictions previously placed upon him before his retirement, when working for the home office. Each of the sixteen-hour-long episodes was titled as a report number.

It is interesting to note that this series was produced by Norman Felton and Arena productions for ITC. Norman Felton and Arena, having been responsible for the American series the Man from U.N.C.L.E. . Another interesting side note is that the series also stared Anneke Wills who had previously played Polly during the William Hartnell period of Doctor Who.