Mit den Clowns kamen die Tränen(1990)

Everything revolves around a virus that manipulates people, a vaccine against this virus, and secret research findings that a major power learns about through betrayal. In this cynical game, any means are justified to get hold of the vaccine: kidnapping, murder, intrigue, lies, and deceit. No easy task for journalist Norma Desmond, whose son was killed in an attack, and Alwin Westen, who hope to track down those behind it all...