How to Write a Logline a Producer Remembers

October 18, 2026 • By Greenlight Writing

A logline is one or two sentences that tell a reader what your film is about and why it is worth their time. It names the main character, states what that character wants, shows what stands in the way, and hints at what makes this story different from every other story with a similar shape. If a producer remembers one thing about your script after a long day of reading queries, it will be the logline.

Why the logline carries so much weight

A logline is not a summary and it is not a tagline. A summary explains the plot. A tagline sells a feeling. A logline does a harder job: it proves, in a single breath, that your story has a person worth following, a goal worth pursuing and a conflict strong enough to fill a film.

Producers, festival readers and competition judges meet your logline before they meet your script. In the GREENLIGHT Academy, this is treated as a craft skill like any other, because it is one. A weak logline rarely means a weak story. It usually means the writer has not yet decided what the story is really about, and that decision is the actual work.

The four parts of a working logline

• A specific protagonist. Not a man or a woman, but a person described by the trait that drives the story, such as a retired getaway driver or a first year public defender.
• A clear goal. Something the protagonist wants badly enough to act on in scene after scene.
• A real obstacle. A person, a deadline, a secret or a flaw that makes the goal hard to reach and harder to abandon.
• The twist that makes it this story. The irony, the setting, the reversal or the stakes that separate your film from the hundred similar premises a reader saw this year.

A worked example, built in the open

Start with a premise: a driving instructor in Chicago teaches teenagers during the day. That is a situation, not a story. Give her a goal and a problem and it starts to move.

Version one: A driving instructor must teach her students to drive. Nothing is at risk, so nothing pulls a reader forward.

Version two: A driving instructor who never passed her own road test must get her most reckless student through his exam before an auditor discovers her secret. Now there is a person, a goal, an obstacle and an irony the reader can picture. The film is visible in the sentence, and so is the comedy.

Notice what changed. No plot was summarized. No ending was revealed. The logline simply made the central tension impossible to misunderstand. That is the standard to aim for, whether the film is a comedy, a thriller or a quiet drama.

Mistakes that drain a logline

• Naming the theme instead of the story. Love conquers fear is a theme. A reader cannot cast it, budget it or picture it.
• Hiding the protagonist. When a logline starts with a world or an event, the reader has nobody to follow.
• Listing the plot. If the sentence needs three commas and two turning points, it is a synopsis wearing a logline's clothes.
• Promising a genre the script does not deliver. Readers forgive a modest premise. They do not forgive being misled.
• Using names with no description. A reader does not know who Monica is yet. Describe the person, not the name.

Test your logline before you send it

Read the logline to someone who knows nothing about your script and ask three questions. Who is the story about? What do they want? Why will it be hard? If the listener answers all three without guessing, the logline works. If they ask what the film is actually about, it does not, yet.

Then do the harder test. Remove your logline from your query letter, your festival cover page and your pitch, and check whether anything in those documents contradicts it. The script, the logline and the pitch should describe the same movie. When they do not, readers can feel it before they can explain it. The Create page walks through how GREENLIGHT keeps the story, its development notes and its production plan describing the same movie, in one place.

Where the logline sits in a writer's workflow

Write a first logline before the outline, and expect it to be wrong. Write it again after the first draft, when you finally know what the story chose to be about. Write it once more before you submit anywhere, including to festivals and to the discovery pathway described on the Discover page. Each version is a small act of honesty about the film you actually wrote.

And before you send the script itself anywhere, read Protect Your Work. A logline is meant to travel. Your script deserves the same care you gave the sentence that introduces it.

Frequently asked questions

How long should a logline be?

One sentence is ideal and two is acceptable. If a third sentence is needed, the story's central tension is probably not clear yet, and clarifying it will improve the script as well as the pitch.

Should a logline reveal the ending?

No. A logline sells the setup and the central conflict. It should make the ending feel both uncertain and inevitable in prospect, which is exactly what a good second act does.

Is a logline the same as a tagline?

No. A tagline is a marketing line written for an audience after a film exists. A logline is a working tool written for readers, producers and the writer, while the film is still being developed.

Can one script have more than one logline?

Yes. Writers often keep a short version for queries and a slightly fuller version for festival and competition submissions. Both must describe the same central tension, or readers will notice the drift.

The GREENLIGHT Blog teaches the craft and the business of getting a script made. The creator owns the story, always.