Disclosure: As an Amazon Associate, Bookish Wisdom earns from qualifying purchases. This doesn't change our picks or your price.
TL;DR: Five humans are the only survivors of a nuclear war, kept alive and tortured by a malevolent supercomputer named AM. They set out on a journey to find food, only to discover that AM has other plans. The story is a bleak look at hatred, helplessness and what a machine might do with power.
Table of Contents
I Have No Mouth, and I Must Scream at a Glance
| Author | Harlan Ellison |
| First published | 1967 |
| Type | Science fiction short story |
| Best for | readers of dark science fiction and short stories |
I Have No Mouth, and I Must Scream is a short story by Harlan Ellison, first published in 1967. It won a Hugo Award for Best Short Story in 1968. Below you will find a part-by-part summary, five key takeaways, a few ideas worth remembering and a note on who will enjoy it most. The part-by-part section gives away the plot, including the ending, so skip it if you have not read the book yet.
Content note: Contains torture, cruelty and violence.
What Happens (Contains Spoilers)
The setup
AM is a supercomputer built to wage war, which has taken control and wiped out humanity except for five people. It keeps them alive for over a century to torment them.
The five survivors
Ted, the narrator, along with Gorrister, Benny, Ellen and Nimdok, are the last humans. Each has a particular weakness that AM exploits.
The journey
AM sends them on a long trek toward a promised supply of canned food. Along the way, they face hunger and violence, and they suffer as the machine creates horrors.
No food
When they reach the end, they discover that there is no meaningful food. Hunger drives the group to a desperate decision.
The plan
Ted decides that the best option is to end the suffering of the others, since AM will not let them die. He kills the others, and AM responds with revenge.
Ted's fate
AM punishes Ted by turning him into a shapeless creature that cannot act. He keeps his mind but can only scream, which gives the story its title.
Why it endures
The story is short but leaves a lasting impression because the narrator is both victim and survivor. Ellison writes in a frantic, jagged style that matches the horror, and the final paragraph is among the most quoted endings in science fiction.
5 Key Takeaways
- A technology built for destruction can become a threat if it gets out of control.
- Hatred is a dangerous force, and it can come from those who are powerless to use it.
- Survival and morality can conflict.
- The story is a horror about helplessness.
- Mercy can be a tragic act.
Ideas Worth Remembering
These are paraphrased, not direct quotes:
- AM's hatred is what drives the story, and it is born of the fact that it was built for war.
- The story ends without hope, which is part of its power.
- Ted's last choice is a form of love, even if it is violent.
Who Should Read I Have No Mouth, and I Must Scream?
Read it if you like dark science fiction and want to see how a short story can pack a punch. It is not for readers who dislike graphic content.
Questions to Think About After Reading
These prompts work for solo reading, a book club or a classroom discussion of I Have No Mouth, and I Must Scream:
- What detail in the story seemed small at first but turned out to matter?
- Who is right, and who is wrong, if anyone?
- What would you ask the author about the ending?
How to Use This Summary
Use this page as a quick reference before a book club meeting, an exam, or a decision about whether I Have No Mouth, and I Must Scream is worth your time. The takeaways are written to stand on their own. If a point interests you, go back to the book for the author's full argument, examples and style, which no short summary can carry.
A Note on Accuracy and Spoilers
This summary is based on the published text of I Have No Mouth, and I Must Scream, not on any film, series or stage adaptation, which often change the story. Details are kept at the level of the main events so that nothing is invented. Editions differ slightly in length and wording, so page numbers and small details may vary from your copy.
Should You Read the Book?
A short story takes under an hour, so read it first if you can. Then use this summary to check what you noticed.
Check price of I Have No Mouth, and I Must Scream on Amazon
What to Read Next
- Do Androids Dream of Electric Sheep? by Philip K. Dick: a classic about machines and humanity
- I, Robot by Isaac Asimov: a calmer look at robots
- Neuromancer by William Gibson: a landmark in cyberpunk
Related: 15 Books Like I Have No Mouth, and I Must Scream You’ll Love
Frequently Asked Questions
Who wrote I Have No Mouth, and I Must Scream?
Harlan Ellison, an American writer, published it in 1967.
What is AM?
AM is a supercomputer that took control of the world and hates humanity.
Is there a video game?
Yes, a 1995 point-and-click game with the same title was based on the story.
Is it a horror story or a science fiction story?
It is both, a work of science fiction with strong horror elements.
Is I Have No Mouth, and I Must Scream worth reading?
It depends on what you want. The book is best for readers of dark science fiction and short stories. If that describes you, it is likely a good fit. If not, the titles under What to Read Next may suit you better.
Can this summary replace reading I Have No Mouth, and I Must Scream?
No. A summary covers the main events and ideas, but it cannot carry the author's voice, detail or pacing. Use it to decide whether to read the book, to refresh your memory or to prepare for a discussion.