MacGuffin

MacGuffin

noun | Screenwriting & Development

A plot device in the form of an object, goal, piece of information, or desired outcome that motivates the characters and drives the story's action, but whose specific content or nature is ultimately unimportant to the story's real meaning. The MacGuffin is what the characters want and fight over; it is not what the story is about. The briefcase in Pulp Fiction, the Maltese falcon in The Maltese Falcon, the ark in Raiders of the Lost Ark -- each motivates the plot's mechanics without being the film's real subject.

Quick Reference

The Explanation: How & Why

The MacGuffin's defining characteristic is its interchangeability. Replace the briefcase in Pulp Fiction with any other object of great value, and the plot functions identically. Replace the Maltese falcon with any other rare, coveted object, and the story of greed and betrayal it generates is unchanged. This replaceability is precisely Hitchcock's point: the MacGuffin matters enormously to the characters and not at all to the audience's real engagement with the story. The audience is engaged by the people, the relationships, the moral stakes -- not by the object itself.

Hitchcock described the MacGuffin in his famous 1939 lecture and in his extended conversations with Francois Truffaut: "The MacGuffin is the thing that the spies are after, but the audience don't care." The spies care intensely; the audience cares about the spies. The MacGuffin is the engine of the plot, not the subject of the film.

This distinction has practical implications for screenwriters:

Clarity of motivation: The MacGuffin gives every character a clear, specific motivation -- they want the thing, and their pursuit of or resistance to that want drives the action. The MacGuffin organises the story's characters around a shared focal point from which conflict naturally generates.

Stakes without complexity: Because the MacGuffin's specific content does not need to be philosophically significant, the screenwriter can generate plot stakes quickly without explaining or justifying the MacGuffin in detail. The audience accepts that the characters want it; the reason they want it is handled by a line or two of exposition.

Freedom for real subject matter: By offloading the plot's mechanical motivation onto the MacGuffin, the writer is free to focus the story's real attention on what the pursuit reveals about the characters -- their relationships, their values, their capacity for betrayal or loyalty. The MacGuffin is the excuse; the characters are the subject.

A MacGuffin functions most purely when it remains mysterious or underexplained. Pulp Fiction's glowing briefcase is the perfect MacGuffin precisely because its contents are never revealed -- any specific contents would be less interesting than the audience's projection. The moment a MacGuffin is too fully explained or too specifically significant, it stops being a MacGuffin and becomes a plot element with its own thematic weight.

Historical Context & Origin

The term was coined by screenwriter Angus MacPhail and popularised by Alfred Hitchcock, who used it throughout his career and explained it extensively in interviews and lectures. Hitchcock's own films are rich with MacGuffins: the microfilm in North by Northwest (1959), the money in Psycho (1960, which is abandoned by the story midway through once it has done its work), the government secrets in The 39 Steps (1935). Hitchcock was explicit that the MacGuffin itself was of no interest to him -- "the audience don't care" -- but that its function as a motivating device was indispensable for generating the character pursuit and conflict that he was actually interested in. The term has entered general cultural vocabulary as a description of any plot-motivating device whose specific content is secondary to its narrative function.

How It's Used in Practice

Scenario 1 -- Classic Thriller MacGuffin (Screenwriter): A spy thriller needs a reason for two intelligence agencies to pursue the same person across three countries. The screenwriter creates a USB drive containing an encrypted list of intelligence operatives. The list is the MacGuffin: it is never shown, its contents are never detailed, and its specific value is taken entirely on faith. But it motivates every action in the plot and creates the conflict from which every scene is generated. The story is about loyalty, betrayal, and identity -- not about the list.

Scenario 2 -- Revealed MacGuffin (Director / Screenwriter): The director and writer debate whether to reveal the contents of the safe deposit box that all the characters are pursuing. The writer argues against: any specific contents will be less interesting than what the audience imagines. More importantly, once the audience knows what is in the box, they begin evaluating whether it is worth dying for -- a question the story does not want to answer. The MacGuffin is more powerful as mystery.

Scenario 3 -- MacGuffin as Character Motivation (Actor): An actor playing a character whose entire motivation is the pursuit of a MacGuffin discusses with the director how to make the character's desire feel real even when the object of that desire is arbitrary. The director suggests the character is not really in pursuit of the MacGuffin itself -- they are in pursuit of the security, identity, or power they believe it will give them. The MacGuffin is the surface motivation; the real motivation is psychological.

Usage Examples in Sentences

"The briefcase is the MacGuffin -- it does not matter what is in it. What matters is what people are willing to do to get it."

"Don't over-explain the MacGuffin. The moment the audience understands it too specifically, they start evaluating whether it is worth the price being paid."

"The MacGuffin motivates the plot. The characters and their relationships are the story."

"Hitchcock was very clear: the MacGuffin is what the characters care about, not what the audience cares about."

Common Confusions & Misuse

MacGuffin vs. Plot Device: All MacGuffins are plot devices, but not all plot devices are MacGuffins. A plot device is any narrative element that advances the story. A MacGuffin is specifically an object or goal whose content is secondary to its function of motivating character pursuit and conflict. A weapon that is used in the climax is a plot device; a weapon that all the characters are racing to obtain but that is never specifically important is a MacGuffin.

MacGuffin vs. Objective: The MacGuffin is the object of pursuit. The character's objective -- what they actually want at a psychological level -- is usually something deeper. A character's MacGuffin is the thing they say they want; their objective is what they actually need. Separating the two creates the story's emotional depth.

Related Terms

• Protagonist -- The central character whose pursuit of the MacGuffin drives the plot
• Exposition -- A brief amount of exposition establishes the MacGuffin's value without requiring detailed explanation
• Subplot -- Subplots often develop from different characters' relationships to the same MacGuffin
• Theme -- The MacGuffin's pursuit reveals the film's real thematic subject through what characters sacrifice for it
• Antagonist -- Typically also pursues the MacGuffin, creating the conflict that generates the plot

See Also / Tools

The Production Schedule Calculator helps plan productions in which a MacGuffin-centred plot generates multiple locations and action sequences -- the structural consequence of a story organised around a desired object is often a geographically complex shooting schedule.