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.
To save a young black civil rights leader's life, Sam must leap into a Ku Klux Klansman and explain to his host's son the immorality of racism.