On order of the emperor, Duke Leto Atreides moves his family from his home planet Caladan to another planet, Arrakis, also known as Dune. After an attack on their stronghold, his son Paul and his concubine flee into the desert.
Did You Know?
When Princess Irulan arrives at the Atreides party, she is introduced as "Her Royal Majesty". Majesty is a title reserved for the Sovereign, i.e. the Queen/King/Emperor. A Princess would be referred to as "Her Royal Highness", as Duke Leto does a moment later. See more
Duke Leto Atreides
On Caladan we ruled by air and sea. And here we need desert power. Desert Power. Remember that.