Hunkeler's last official act went awry: a diamond courier evaded surveillance, the goods ended up in the Basel sewage system, and Lüdi suffered life-threatening injuries. Plagued by guilt, pensioner Hunkeler goes in search of the "silver pebbles". Ultimately, even as a retiree, he is ahead of the pack with his sense of the longings of the little people.

Mathias Gnädinger
as Komissär Hunkeler

Gilles Tschudi
as Madörin

Jürg Löw
as Staatsanwalt Suter

Marcello Montecchi
as Toni Huber