Dennis Lehane is an American author. He has published more than a dozen novels; the first several were a series of mysteries featuring recurring characters, including A Drink Before the War. Four of his novels were adapted into award-wining films of the same names: Mystic River (2003), Shutter Island (2010), and Gone Baby Gone (2007) and Live by Night (2016). [--Wikipedia](
PI Patrick Kenzie is hired to find a four-year-old girl, abducted while the mother was out drinking. The search takes Kenzie through Boston's underworld of drug dealers, kidnapers and pedophiles.