What I am to you is not real [AU]

„She wants me to kill you...." "and are you going to?"

Robin Hood. Again. I'm really sorry for those who don't know the show but it was really hard to come up with something for the third BOIT challenge. I had to take a plot, a scene, a fandom, and then change the final outcome of the original plot. I decided to change the scene from the season finale (2x13).
I'm not really happy about how this turned out, nevertheless I really enjoyed this challenge. Well, I hope the video is not too confusing. Enjoy :))

♫ "Volcano" by Damien Rice
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► Original Storyline: HUGE SPOILERS (Episode 2x13)
King Richard is in the Holy Land trying to make peace. The Sheriff and Guy are planning to kill the king. Marian offers Guy her hand in marriage if he assassinates the Sheriff (in order to save King Richard). Guy rejects her offer. He chooses power. Which leads to her death.

► My twist:
..... Marian offers Guy her hand in marriage if he assassinates the Sheriff (in order to save King Richard). Her words have an impact on Guy. He kills the Sheriff.

I always wondered what would have happened if Guy had killed the Sheriff. The most logical conclusion would be that Marian marries Guy and Robin is heartbroken but I wanted more than that. I included Prince John since he would benefit from King Richard's death. It would make him King.

Sorry about the rambling.