About the book: 1957 / A wealthy family hires Perry Mason to appeal the verdict in the case of the heir to the family firm, who is accused of manslaughter after hitting a pedestrian . The investigation was unable to provide a clear picture of the incident. It all happened at night. The young man, who was allegedly driving, claims that he drank something wrong at the party and does not remember how he got home. Mason's testimony as a prosecution witness raises serious doubts. The corpse was never identified. Nevertheless, the verdict is in. As soon as Mason takes up the case, new facts become known, in the light of which the incident began to look much more sinister.