Do you ever forget to finish up a thread in your story? I do.
Do you ever get confused about aspects of your characters? I do.
Do you ever get sidelined in your story? I do.
Well here's help. Check out this link to tools for writers. Save the Cat offers a quick outline to use for your story. It's directed toward script writers but it can work for any kind of story.
If you try it, let me know what you think of it.