Love is the motivating factor 4 the main character's actions. But it's really just a minor plot point 2 show a lot of action.

>or at least a story hugely driven by love? cos in some ways,
>its your basic 'man loves woman, will do anything for her,
>compromises his principles for womans well being, it backfires
>in his face, bitterness and anger over relationship and lost
>love fuels embittered quest for the rest of his days' type
>deal IMO. basically, it was love that killed anakin and lost
>love that drove darth to the dark side in many ways. im
>surprised he didnt want to kill the emperor at the end though,
>as it was his fault he ended up how he did.

See Episode 6