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Book to movie

The End of the Affair: Book to Film

Maurice Bendrix investigates why Sarah ended their affair and discovers that her decision grew from a private promise he cannot accept.

Last reviewed: 2026-07-18

Verified facts

Relationship
Direct adaptation
Source book
The End of the Affair (1951)
Screen work
The End of the Affair (1999)

Why read this explainer

Separate Bendrix's jealous investigation from the conflict Sarah's diary opens about belief. The reversal changes what the affair means without settling his anger toward God.

PlotGeeks note

The immediate screen romance leads into Bendrix's unresolved anger toward the God he rejects. Sarah's diary changes his interpretation of their separation rather than providing uncomplicated religious certainty.

Connected knowledge

Connected in PlotGeeks

Related explainers and browse pages for The End of the Affair: Book to Film.

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At a glance

Book and film, fast

Same coreWhat both versions keep

Maurice Bendrix investigates why Sarah ended their affair and discovers that her decision grew from a private promise he cannot accept.

Biggest changeThe film foregrounds the love story

The affair and wartime separation receive more direct emotional emphasis.

CompressionWhat the film has to condense

The film reduces some theological and secondary material to keep Sarah and Bendrix's relationship at the center.

Ending shiftAnger remains the unresolved form of belief

The same conflict lands after a more visibly tragic romance, making grief the strongest path into it.

Start hereRead first, then watch the film

Read first for Bendrix's unstable narration and the full religious argument. Watch first if the central romance will give you the clearest way into that conflict.

Closer comparison

Book and film side by side

The film foregrounds the love story

In the book

Bendrix's narration continually turns investigation into argument and self-exposure.

In the film

The affair and wartime separation receive more direct emotional emphasis.

Sarah's promise becomes more immediate

In the book

Her diary revises Bendrix's account and opens the religious dimension from inside her thinking.

In the film

Performance and flashback bring her fear, bargain, and sacrifice into the romantic present.

Anger remains the unresolved form of belief

In the book

Bendrix's final address to God is bitter, resistant, and impossible to reduce to certainty.

In the film

The same conflict lands after a more visibly tragic romance, making grief the strongest path into it.

Source to screen

From The End of the Affair to The End of the Affair

The film foregrounds the love story

Bendrix's narration continually turns investigation into argument and self-exposure. The affair and wartime separation receive more direct emotional emphasis.[1][2]

Anger remains the unresolved form of belief

Bendrix's final address to God is bitter, resistant, and impossible to reduce to certainty. The same conflict lands after a more visibly tragic romance, making grief the strongest path into it.[1][2]

Sources

Source trail

Sources for the book, film, and adaptation relationship are listed below. The comparison notes are original PlotGeeks prose.