Filmed on location in Zurich, Switzerland,
The Swiss Conspiracy is concerned with a Swiss bank that discovers some of its clients are becoming the victim of a brilliant blackmailer. The bank's president (
Ray Milland) contacts David Christopher (played by
David Janssen), a former agent with the U.S. Treasury, to help discover who the blackmailer is and to foil his plot. As Christopher delves into the mystery, he uncovers a complicated web of intrigue, car chases, and shoot-outs that takes all of his wits to unravel. Along the way, Christopher encounters the beautiful Denise Abbott (
Senta Berger), with whom he develops a relationship, as well as Rita Jensen (
Elke Sommer) and Robert Hayes (
John Saxon), who know more than they are willing to tell. ~ Craig Butler, All Movie Guide