"Spencer: Confidential" is a 2020 action-comedy film directed by Peter Berg. It stars Mark Wahlberg as Spencer, a former police officer who is released from prison and teams up with a rookie driver, played by Winston Duke, to uncover a conspiracy involving the murder of two Boston police officers. The film is based on the novel "Wonderland" by Ace Atkins, which is part of the Spencer series created by Robert B. Parker. It combines elements of humor and action as Spencer navigates the challenges of his past while trying to solve the case and clear his name.