Music Box is a 1989 film by Costa-Gavras that tells the story of a Hungarian-American immigrant who is accused of having been a war criminal. The plot revolves around his daughter, an attorney, who defends him, and her struggle to uncover the truth.
Hungarian immigrant Michael J. Laszlo faces a trial having his US citizenship revoked after being accused of war crimes during WWII. Laszlo insists it is mistaken identity. His daughter, Ann Talbot, a Chicago defence attorney, resolves to defend her father in court.