Two Swiss women have been killed by gas leaks, murders thinly disguised as accidents. In Morocco, Studer stumbles onto a murky oil deal involving rapacious politicians and their henchmen. With the help of the common sense of his stay-at-home wife Studer solves the multiple riddles on offer. But, assigning guilt remains an elusive affair.
The third Sergeant Studer mystery: from Switzerland to Morocco and back to investigate a double murder.
