A classic Holmesian detective untangles a locked-room mystery with a very modern twist in this venomously diverting short story by Lauren Wilkinson, the Washington Post bestselling author of American Spy.

A top-secret experiment at a restricted virtual-reality compound pulls attorney Tommy Diaz back into the orbit of Irene Adler, an old friend with an eidetic memory, a love of true-crime podcasts, and a knack for solving the unsolvable. But this? At a remote warehouse, a VR trial goes awry when a willing test subject, alone in the observation room, drops dead of anaphylaxis—from the sting of a virtual bee. Though the tech titan behind the research believes in the power of the outrageous, Irene relies on clues, hard facts, and a level head. However, in a case this peculiar, how elementary can it be?