Prudence and Bélisaire Beresford have decided to take things easy. But when a rich Russian heiress disappears, Prudence can't resist and Bélisaire is forced onto the adventure. Their investigation will put them on the trail of a mysterious scientist who holds the secret to eternal youth...
DirectorPascal Thomas
WritersClémence de Biéville, Nathalie Lafaurie, Pascal Thomas, Agatha Christie
Part of
Includes: By the Pricking of My Thumbs, Crime Is Our Business, Partners in Crime
