The film is the story of a musical encounter between drummers Pierre Favre, Fritz Hauser, Daniel Humair and Fredy Studer. The filmmaker brought them together in Zurich on January 6, 1997, and followed them over four days of rehearsals. The confrontation between these very different artists culminates in a concert.

The small swiss village of Mitholz got destroyed in 1947 after an Ammunition depots of the Swiss Army exploded. After decades of secrecy, the population learned in 2018 that the danger had not been averted yet and that the residents need to leave their homes. A story about the abuse of trust and the mistakes of a government whose citizens pay the price for.