The death of Aharon's two sons Nadav and Avihu is both a personal tragedy for Aharon, and a national tragedy for the Israelites. However, it is unclear exactly what Nadav and Avihu did to warrant their deaths. In this week's episode we study the story and the midrashic opinions on Nadav and Avihu's sin, and discuss the ramifications for how communities grapple with finding meaning in tragedy.