Based on a true story. Two brothers, Artur (22) and Marcin (12), murder their own mother. The film starts with the boys' arrest and then takes us through the last 12 months in a series of flashbacks.
Careerist Maciej gives a lift to a hitchhiker with opposite beliefs as they both head to their hometowns. In the meantime, the local community gets prepared for the annual Corpus Christi procession.