Silver pebbles

"A hunt for drug gang diamonds is keeping Basel Inspector Hunkeler on tenterhooks. Basel, nestled at the border of Switzerland with Germany and France, has been hammered by a huge snowstorm, cars and trams can barely move, trees are groaning under the weight of the recent snowfall, the cathedral and city roofs are smothered. An elegant young Lebanese man carrying diamonds in his bag is on the train from Frankfurt to Basel, a drug mule on the retu...