When small-time dreamer Leo Finch is found dead in his Connecticut bungalow, obituary writer Nick Belsey assumes it's a random burglary—until he discovers a cryptic note Leo left behind: "He knows, Nick." Digging into his late friend's final days, Nick uncovers a dangerous secret involving a missing criminal ledger, a high-powered fixer, and a vengeful mob boss. As Nick races to piece together Leo's unfinished business, he learns that his charming, infuriating friend was planning one last scheme—one that might just get them both killed. A mystery about friendship, loyalty, and the debts we carry.