SPOILERS AHEAD! BE WARNED!Well he says he's a jewel-thief, but people say those sorts of things in honey-dens.
Game Instructions: You'll need to build up a Fascinating... quality to at least 5 to complete this.
Unlocked with A Name Signed with a Flourish 1-2
Locked with Seduction: Honey-Sipping Jewel-Thief
Storylet appears in Veilgarden