The Decalogue IV Polish Dekalog, cztery is the fourth part of the television series The Decalogue by Polish director Krzysztof Kielowski, loosely connected to the fourth imperative of the Ten Commandments Honor thy father and thy mother.
One Easter Monday, after playing their traditional water tricks on each other, Anka drives Michal to the airport, as hes off on another trip. Earlier that day she had discovered an envelope with her fathers handwriting Open after my death. It is later revealed that Anka had known about the envelope for years but this was the first time that Michal had left it behind while he was on one of his trips. After a couple of days she finally opens it. Inside, there is another envelope, on which she can read a short message from her mother To my daughter, Anka. Anka wonders whether to open this envelope.One week later, Michal is back from his trip and Anka waits for him at the airport. She is sullen and starts immediately quoting her mothers letter, explaining that Michal is not her real father. He slaps her, then explains that, while he is not surprised, he did not know about the content of the letter either. He had meant to give it to her several times but always felt that she was either too young or too old, and finally decided to leave the letter for Anka to find, in order for the inevitable to happen. Anka wonders if her feelings towards Michal have been only as a friend and parent, or also as a man, since she somehow always felt that she was being unfaithful when going out with other men. Her father admits to also having felt jealousy, rather than just parental protectiveness, against Ankas boyfriends. ........
Source: Wikipedia