BROOKLYN MOBSTER AND PROLIFIC HIT MAN Jimmy Conlon (Liam Neeson), once known as The Gravedigger, has seen better days. Longtime best friend of mob boss Shawn Maguire (Ed Harris), Jimmy, now 55, is haunted by the sins of his past — as well as a dogged police detective (Vincent D’Onofrio) who’s been one step behind Jimmy for 30 years.