Things get dicey when a hitman finds himself sitting with the man who hired him and his proposed victim at a small town diner.

What does the main character want and what is stopping him.?

This logline sets up a situation. ?But the situation is only the 1st element of a plot. ?And a logline ?should be a succinct description of an entire plot, not just a situation.

So what happens next? ?What specifically becomes the plot as a result of this set up? ?What are the stakes -- for the the hit man?