A brand-new, never-released novel from the USA TODAY bestselling Regency author! When a gentleman is found dead on a fishmonger's doorstep in Regency London, a rugged Bow Street Runner has to pair with the man's elegant noble nephew to solve the crime. They both find unexpected help--and infatuation--with the fishmonger's very unusual young widow. Individually, each has a reason for getting to the bottom of the mystery. And, as a trio, they find they are uniquely effective detectives with the ability to accomplish something few others can: solve a crime by scouring London, from its glorious heights of luxury to its rankest depths of depravity.