Broadway Baby

Well you end up running with Alexander and you guys almost won, except Alexander gets caught cheating on his wife and loses.
But then Alexander gets into a gun showdown against Aaron Burr and asks for your help and you say yes, but Alexander ends up getting shot and killed and your left with him dying in your arms.
But then you wake up in the audience with everyone on the stage taking their bows and your left with some serious trauma after seeing a guy get shot right in front of you