None whatsoever, unless it's a blatant ripoff.
And just for shitzzengiggles, what are your intentions with your screenplay?
DIY short/feature?
Spec sale?
diy feature
dateline story is a true story. My story has some of frame/structure, but of course a lot of difference.
I wonder if you move a true story from dateline to the film production, is there any restriction for that?