Emperor Harkonnen Conspiracy and Collapse
DuneReveals the hidden alliance between Shaddam IV and Baron Harkonnen to destroy House Atreides, and how the conspiracy backfires.
increasing
Bearing strength in each event
decreasing
Baron's War Council

Baron's War Council
Plan Within Plan
Baron Vladimir Harkonnen reveals his trap to Piter de Vries and Feyd-Rautha. Duke Leto will be given Arrakis and then destroyed by overwhelming force.
Emperor's Secret
Two legions of Sardaukar will be disguised in Harkonnen livery. The Emperor supports the plan because Leto has grown too popular.
Suborned Doctor
Yueh has already been broken through his wife Wanna. The Harkonnens hold an ultimate lever over the Suk doctor.
Disguised Invasion

Disguised Invasion
Massed Force
More than a hundred brigades land on Arrakis, including Sardaukar dressed as Harkonnens. The scale of the assault shocks Thufir Hawat.
Fall of Cities
Arrakeen and Carthag are overwhelmed. Duke Leto's troops retreat into caves where artillery traps them.
Imperial Deniability
The Emperor's role is hidden even from most observers. Only the Great Houses' spies learn of the Sardaukar presence.
Baron's Overreach

Baron's Overreach
Rabban's Brutality
The Baron gives Glossu Rabban a free hand to squeeze Arrakis. Rabban's atrocities create a hatred that the Fremen will use.
Hawat Enslaved
Thufir Hawat is poisoned and forced to serve the Baron. The Mentat's calculations guide Harkonnen policy and inadvertently protect Paul.
Imperial Suspicion
Count Fenring warns the Baron that the Emperor is displeased. The conspiracy begins to unravel under its own weight.
Emperor's Final Gamble

Emperor's Final Gamble
Public Presence
Shaddam IV lands on Arrakis with five legions of Sardaukar and his court. He expects to crush Muad'Dib and restore Harkonnen order.
Alia's Arrival
Sardaukar raid the southern sietch and capture Alia Atreides. The Emperor realizes that Muad'Dib is an Atreides, and the danger is personal.
Desperate Hostage
The Emperor tries to use Alia as a hostage. She instead kills Baron Harkonnen and escapes into the storm of battle.
Surrender and Exile

Surrender and Exile
Terms
Paul demands the Emperor's abdication and the CHOAM holdings as dowry. Shaddam IV is sent to Salusa Secundus.
Marital Alliance
Princess Irulan becomes Paul's wife, bridging the Atreides and Corrino lines. The conspiracy ends with the Emperor reduced to a pensioner.
New Power
House Atreides rises above the Harkonnen conspiracy. The Baron's plots decay into proverbs of overreach.
before the Atreides left Caladan
the Harkonnen attack on Arrakeen
the two years after the Atreides fall
the landing of the Emperor at Arrakeen
the aftermath of Paul's victory