Synopsis of A Right to Die
The novel is set against the background of the Civil Rights Act conflict during the early Johnson Administration. Paul Whipple, a black character from the earlier novel Too Many Cooks (1938), whose trust Wolfe had gained against a strong West Virginia atmosphere of prejudice, tells Wolfe that Wolfe has since become his hero. And that he has also achieved his dream, stated in the earlier novel, of becoming an anthropologist.
He has come, however, to draw upon the favor he did Wolfe 26 years earlier. He asks Wolfe to prevent his son Dunbar Whipple from marrying a rich white girl, Susan Brooke, with whom he is apparently in love. While claiming that he is not opposed, in principle at least, to mixed-race couples, Paul Whipple thinks that sensible rich white girls do not fall in love with poor black men. Even if the rich white girl is working for a black civil rights organization in New York, the Rights of Citizens Committee.
Wolfe is loath to interfere in the matter, but agrees to at least learn what he can about the true motivations of the socialite girlfriend and why she would be interested in a Negro boyfriend, to settle the debt he owes Whipple.
Archie arranges a meeting with Susan Brooke through his girlfriend, Lily Rowan, but is unable to form a conclusion as to her motives. Wolfe has him fly to Racine, Wisconsin, Susan’s hometown, to do research on her background. He discovers little except for an incident where a man who wanted to marry her, Richard Ault, shot himself on her front porch after she turned him down. He is doing more research when Wolfe suddenly calls him back to New York: Susan Brooke has been brutally murdered in her Harlem apartment.
Dunbar Whipple is the prime suspect in the murder, and Wolfe agrees to work on his behalf.
Synopsis taken from https://en.wikipedia.org/wiki/A_Right_to_Die