I got one. it may need alot of touches and revisions but here it is, unedited, direct from my ideas archives:
I call it "DeathBrothers"
2 brothers go to some gypsy or something. person says that one of them would die, and that it would be because of the other. The boys both think that the other will kill them, so it starts this whole chase and fight and epic explostions and stuff. This can also be a trailer.
"How can you even do this to me?"
"because i have to. If I don't kill you, you'll kill me."
epic music in the background (probably from Positon Music)
So pretty much two brothers (who had done everything together during childhood) turn on each other, because they heard the gypsy (or whatever) tell them one will die. In the end, maybe one will die, then figure out that if they had never listened to the gypsy, he would have never had had to kill his brother after the long chase/stalk/spying/whatever epic scene you can think of. He then felt remorse, and maybe killed himself, up to you OR they had both died during the whole movie.
What you see above is really mixed up, and may be confusing, but it may give some other ideas. 
Brickfilmer a decade ago, now looking to relive the glory days
