Firenze'sleading,verywealthyjewelersfamilyheirFrancescoSabrinireceivedacrypticdeathtreatonthebackofarenaissancepaintingintheirprivateatticcollectionAmasterlyforgerywasofferedinFabioMilus'sRomanauctionhouse,butGermanbornartexpertSusannaNollkeptitbackforinvestigationinheartist'shomecity,Florence,toconsultherarthistorymentor,professorAndreasvonWeissenfelsThereshestayswithfriendElisabethLanzi,whointroducesheretoFrancescoandhisfamilyDuringtheirresearch,whichunearthsmoderncrimewithalinktoaRenaissancerumoredfratricide,initiallysecretiveFrancescoandSusannabecomelovers