Bookmark How to Write a Logline SOURCE: RocketJump Film School A logline is a 1-2 sentence summary of what the core of your story is about. Not only that, it serves as a baseline from which you can communicate your story quickly and clearly to many different people. So crafting a good one is harder than it looks! In this video, RocketJump's Head Writer Will Campos tackles the process of writing an effective logline for your script, and explains why it's important to the writing process. Not only is it good for quick communication and a solid pitch, but it can actually help you become a better writer.