Cassy's investigation into a hit and run death leads to a U.S. Senator's suicide.
Doogie and Vinnie argue about a Civil War screenplay they are writing. Doogie and Dr. Howser argue over their respective tactics of dealing with patients.
Sam must don the robe and hood of a Ku Klux Klansman in order to save the life of ayoung civil rights leader trying to register black voters.
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