Krzysztof, a semantics professor and computer hobbyist, is raising his young son, Paweł, to look to science for answers, while Irena, Paweł’s aunt, lives a life rooted in faith. Over the course of one day, both adults are forced to question their belief systems.
Dorota Geller, a married woman, faces a dilemma involving her sick husband's prognosis. Her husband's doctor, who believes in God, sweared about it in vain.
Jacek, an angry drifter, murders a taxi driver, brutally and without motive. His case is assigned to Piotr, an idealistic young lawyer who is morally opposed to the death penalty, and their interactions take on an emotional honesty that throws into stark relief for Piotr the injustice of killing of any kind.
