Bad Guys Close In
This is usually a difficult section until you realize that the bad guys are just as motivated as the hero to get what they want in the story. If you are having trouble with this section, it is usually because you've neglected to flesh out your antagonist's motivation as thoroughly as the hero's. Brainstorm your antagonist's motives in the story. Why do they want to succeed? What is at stake for them? Would your antagonist simply accept defeat and go quietly into the night or will she regroup, reassess and throw everything she's got at the protagonist to get what she wants.