Star Wars (1977) is George Lucas' interpretation of the Hero's Journey (Monomyth) structure.
The Star Wars structure is often attributed to Joseph Campbell's Hero's Journey, yet an analysis of Star Wars yields far more common story structure elements than noted by Joseph Campbell. Further, the Hero's Journey template was known much earlier than Campbell's time - Shakespeare used the template, the stories in the Bible, Torah, Vedas and Koran and so forth.
There are more than 510 stages of the Star Wars structure and Hero's Journey (Monomyth) that you need to know about...

Full details on the main web page
[This is a HIGHLY generalised summary of the story; there are many, many aspects of the Hero's Journey that are missing from the following simplification Goto the main web page ]:
Call to Adventure: Kovacs tries to convince Dreiberg to help find the assassin.
Refusal of the Call: Dreiberg and the others don't believe that an assassin is after the Watchmen and they don't want to go back to that Superhero life.
Supernatural Aid: Dr Manhattan
Crossing of the First Threshold: the memories induced by the burial/
Belly of the Whale: Laurie leaves Manhattan and moves in with Dreiberg. She's left the Old World and Self and is heading for the New.
Road of Trials: the hunt for some sort of truth
Seizing the Sword: Kovacs finds his Arch Enemy and forces the truth out of him etc…; Bl;ake came to him before he died.
Near Death Experience and Rebirth: Kovac's recollection of the time he first committed murder: the child's death and his rebirth after that.
Atonement with the Father: Dreiberg can't get it up; the inner issue needs to be resolved.
Apotheosis: Dreiberg knows that the issues are resolved when they return to fighting crime in the Owl Ship.
Ultimate Boon: Laurie and Dreiberg use the Owl Ship to help fight crime.
Refusal of the Return: Kovacs fights his old foes in prison.
Magic Flight:
Rescue from Without: Laurie and Dreiberg rescue Kovacs.
Crossing of the Return Threshold:
Master of the Two Worlds: Manhattan kills Kovacs for the sake of world peace; doesn't mind taking the blame.
Freedom to Live: Laurie and Dreiberg together; Mrs Jupiter and Laurie work it out; Veidt is almost forgiven, Manhatten goes to another galaxy and perhaps will create some life.
Order an advanced deconstruction of this movie. See how it follows the 510+ stage Hero's Journey pattern:
This requires that you first purchase and accept the principles contained in: the Complete Hero's Journey...more than 510 stages of the journey you need to know about...