This is an older article but I had it lying around in my writing email folder for quick reference. It's a more formulaic 'checklist' approach to making sure your narrative ticks along. Obviously not every approach works for everyone, but I liked the look of it. It approaches a plot (in this case their focus is on writing for children and teens), in four sections, or acts: Separation, Descent, Ordeal, Resolution
Try the Complications Worksheet as a thinking tool. Before you start, I encourage you to cruise through the links at the end of the post so you add or subtract whatever you need. Then answer the questions in the worksheet with your story and characters in mind.
Read through the worksheet here and take a look: http://childrenspublishing.blogspot.com/2010/03/plotting-made-easy-complications.html