Death in Shallow Water 1994 one on netflix

1991, farewell in Budapest. Mária remembers the past in tears. Her husband, Tibor, a chemist and a target of the KGB, left their apartment one evening to fetch some cigarettes only to be found drowned in the shallow Lake Balaton the following day. Their son, Peter, a student in Western-Europe, was found dead on the Danube embankment.