Here's my attempt at a plot outline, scene by scene.

Crawl
Vader visiting the Emperor on the city planet (Emperor in the shadow throughout the scene)
Luke on Dagobah, carrying out a successful version of the cave scene from ESB
Lando, 3P0, and Leia preparing to leave for Jabba's palace
3P0 arriving at the palace gates, unwittingly gives Jabba a holographic message explaining that 3P0 is a gift (from Leia in her Boussh disguise this time)
Vader arrives at Death Star II
Luke constructing his lightsaber (Vader attempts to get into Luke's head)
Yoda's Twilight and discussion with Ben (no Leia sibling)
Leia and Chewbacca arrive in the palace, Chewbacce jailed
Luke arrives at Tattooine
Emperor arrives at Death Star II
Leia unfreezes Solo, and the both of them are caught
Luke arrives at the palace, and attempts to free them, Jabba sees through disguise and orders Luke and the rest to execution
Dune Sea, Han and Luke reconcile, Lando and Han have uneasy relations, Leia kills Jabba
All leave on Falcon, inside discussion, exposit rebel gathering
Death Star II arrives at Endor (standard class-M planet)
Rebel briefing, ( The assignment is different in this version. Endor mission is more espionage, Lando goes with them, Space mission is to be carried out later on, from the planet)
Emperor and Vader discuss the plan to turn Luke
Shuttle arrives at Endor, Vader once again attempts to get in Luke's head
Ground mission (they take out imperial base, discover slave colony)
Emperor sends Vader down to Endor
Han attempts to train slaves, Lando and Han finally reconcile
Night before strike, Luke attempts to converse with Ben, but fails, Vader attempts to attack, but Luke surrenders
Leia discovers Luke missing, but Luke informs her he's fine
Morning of the strike, Han capitulates Falcon to Lando and Chewie (not a scratch)
Mid-Transit discussion between Vader and Luke
Final plans are laid out, ships take off. Han and slaves begin to survey area for possible ways of getting to shield generator
Air strike begins, Avenger is destroyed
Luke is brought before Emperor, temptation begins
Ground strike begins, Han is injured
Air strike continues, Wedge dies
Luke and Emperor, Luke is driven to duel with Vader
Leia unsuccessfully attempts to breach shield
Air strike, Falcon receives damage
Luke and Vader duel, Luke attempts not to fight
Leia attempts second break in, R2 is shot (badly)
Luke is nearly driven to kill Vader, but stops, Emperor nearly kills Luke
Air strike, Executor is brought down
Vader kills Emperor, Luke brings a wounded Vader down to shuttle, Vader passes
Leia destroys shield
Luke makes an announcement to fleet, declares war over
Planet celebration, Han berates Lando for damage to Falcon
Luke and Ben have discussion on city planet (Ben mentions possible sister)
Luke, Leia, and Han share discussion, Leia says they've begun reclaiming power
Luke leaves on own to search for sister
Credits

It could use work, but you get the gist.