This Torah portion talks about the "red cow". How it shall be slaughtered and the way to purify a man if has had any contact with a corpse.
G-d spoke to Moses and said "speak to the Isrealites and take from them staff for each paternal house from each of their princess according to their fathers".
Aaron took a sacrifice to the alter to protect the congregation by the "plague". 14,700 people dies from the plague that Korach caused for disobeying G-d. Aaron stopped it by lighting the incense.