"The Girl in the Spider's Web" is a thriller novel written by David Lagercrantz, continuing the story of Lisbeth Salander and Mikael Blomkvist. In this installment, Lisbeth, a skilled hacker, becomes embroiled in a dangerous web of espionage and cybercrime while trying to protect a young boy with a mysterious past. The plot revolves around Lisbeth's confrontation with a criminal organization known as the Spider's Web. As she navigates through treachery and betrayal, she must also face her own demons, making the story a gripping exploration of loyalty, revenge, and the quest for justice.