Forty years ago, Harriet Vanger disappeared from a family gathering on the island owned and inhabited by the powerful Vanger clan. Her body was never found, yet her uncle is convinced it was murder - and that the killer is a member of his own tightly knit but dysfunctional family. He employs disgraced financial journalist Mikael Blomkvist and the tattooed, truculent computer hacker Lisbeth Salander to investigate.