What does unclean mean? What defines being unclean? How do people or things become unclean? How do unclean things or people effect the health of people? How can people or things become clean after being unclean? How does being unclean become a sin? What is the penalty for this sin? Why is the penalty for this sin so serious? Who is behind making people unclean? How far should people go in avoiding becoming unclean? The answers to these questions and more in about one hour and fifteen minutes.