Smoking Aces and Southland Tales Explained?

I Just watched smoking aces and didn't understand much about it. I really like how the ending of the movie just blew up and went to hell but please explain about the man getting shot and the ending where there talking about the hearts. Did they mean that Ace was gonna give up his heart for the old man? I... show more I Just watched smoking aces and didn't understand much about it. I really like how the ending of the movie just blew up and went to hell but please explain about the man getting shot and the ending where there talking about the hearts. Did they mean that Ace was gonna give up his heart for the old man?

I also just watched south land tales and was completely lost, just please explain the whole movie, Thank you Very Much.
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