A businessman discovers he has a hidden gene that enables him to breathe water, threatening the existence of the secret Aquarian race, in this charming, comedic fantasy drama from the Czech Republic.

Based on real characters and events, this haunting drama focuses on the personal sacrifice of a Prague history student, Jan Palach, who set himself on fire in protest against the Soviet occupation of Czechoslovakia in 1969. Dagmar Burešová, a young female lawyer, became part of his legacy by defending Jan's family in a trial against the communist government, a regime which tried to dishonour Palach’s sacrifice, a heroic action for the freedom of Czechoslovakia.