When an old acquaintance reaches out to Stone Barrington requesting assistance, the job seems easy enough. She needs an expert in an esoteric field, someone with both the knowledge and careful dexterity to solve a puzzle. But the solution to one small problem blows the lid open on a bigger scandal going back decades, and involving numerous prominent New Yorkers who would prefer that the past stay buried. With this explosive information in-hand, Stone Barrington is caught between a rock and a hard place, his only options either to play it safe to the detriment of others, or to see justice done and risk fatal exposure.