Jean and Dom assist Caron in solving a murder in a beautifulbut remote country mansion. Robert Coste lives in the housewith his devoted housekeeper and his troublesome son. He hasrecently sold the house to Jeremy and Judith and is moving toParis. As Jeremy and Judith arrive to start refurbishing theirnew investment, a gunshot rings out. Judith races into thehouse and is horrified to find Robert shot at his kitchentable, clasping a unique key. Did someone not want him toleave? And why did he ask his neighbour to sign his new willonly the night before? When Caron calls Jean to help, shefinds herself in a house full of the most beautiful antiquesand can't wait to discover what the key could unlock. But firstsomeone needs to persuade Jeremy and Judith to leave! As Caronand Gendarme Richard set up an incident room in the mansion,Jean explores the house, trying the key in every lock shesees. It's a huge task and the eventual truth is unexpected —even for Jean. Caron is convinced that the killer will returnand when he suggests to Jean that they set up a stakeout thatnight, Dom is eager to join in. Will the murderer walk intoCaron and Jean's trap? And with Jeremy and Judith anxious thatan inconvenient murder doesn't derail their refurbishment, whydoes Dom really want to help Jean out? Meanwhile, love rollsinto town for Gloria when a mystery man brings his car to thegarage, but her newfound happiness has an unexpected effect onher friends. Will she have to choose between friendship andlove? An isolated murder, a midnight stakeout and love in theair… all the elements of a classic murder mystery in SainteVictoire!
