What was the sin of Nadav and Avihu? What was their motivation to bring this fire into the holy of holies? Didn't they know this place was only for the Kohen Gadol on Yom Kippur? Why is their death the introduction for the order of the Yom Kippur service? Why was it such a grave sin that they didn't consult with one another before bringing this fire? What is the connection to R' Akiva's students and their deaths? Find out in this week's Parsha Podcast.