A film about the so called Dunagate scandal in Hungary, 1989-1990, when the sate security services illegally surveyed some members of the opposition parties and tapped their telephones. It happened just a few months after the Imre Nagy funeral on 16th June 1989, at the time of the round table negotiations preparing the first free elections. The film shows how the state security machinery operated at the time of the change of the regime in Hungary under Minister of Interior Affairs István Horváth and Prime Minister Miklós Németh. Interviewed persons involved in the case are István Szikinger, head of the research program office of the Ministry of Interior Affairs in 1990; Imre Mécs, member of the steering committee of SZDSZ in 1990; József Végvári police major; Zoltán Lovas journalist; Gábor Roszik MP; Ferenc Kőszeg, member of the steering committee of SZDSZ in 1990; Gábor Fodor, member of the steering committee of FIDESZ in 1990; Géza Finszter, Ministry of Interior Affairs; György Kolláth, head of department at the Ministry of Interior Affairs in 1990; Alajos Dornbach, lawyer in 1990; Gáspár Miklós Tamás, member of the steering committee of SZDSZ in 1990.