When a sibling dispute over money turns into a double murder, all of Brooklyn is on alert for the missing killer. But days turn into months and then years, as the NYPD manhunt turns into a national and international chase for the fugitive.

Days before the New Millennium, a jailed informant calls the NYPD with a cryptic tip about a murder, sending detectives on a hunt through dozens of New York's high-rise buildings, in search of a crime scene - and a body.