Two families, one Muslim and one Catholic, are urgently called by the director of the nursing home where their parents reside, who have fled together. Two such distant cultures are forced to relate, despite their diverging worlds.

The docudrama recounts the five years (from 1974 to 1979) in which lawyer Giorgio Ambrosoli investigated the workings of a corrupt and lethal system, seen through the eyes of Finance Police Marshal Silvio Novembre and reconstructed by mixing fictional scenes, archive footage, and valuable testimonies.