The Perfect Lie vs The Dinner Club: How Netflix Changes the Book Ending

Saskia Noort’s The Dinner Club already had all the ingredients Netflix needed for a glossy psychological thriller: affluent couples, extramarital affairs, financial secrets, a suspicious fire and a friendship group held together by appearances. The Perfect Lie keeps that skeleton, but the seven-part adaptation is far less interested in reproducing the novel scene for scene. Creator Dorien Goertzen described the process as “reinventing” Noort’s story for television, with a different narrative structure and a contemporary update to the characters. By the finale, those changes are substantial enough that knowing the book no longer tells you exactly where Netflix is going.

Related: The Perfect Lie Ending Explained: Who Pushed Hanneke and Who Is the Hooded Person?

Netflix Makes the Dinner Club Smaller

One of the clearest structural changes is the size of the central social circle. The Netflix series revolves around four main couples: Karen and Michel, Evert and Babette, Hanneke and Ivo, and Simon and Patricia. That tighter configuration allows almost every secret to bounce directly between people the audience already knows well.

Noort’s novel has a larger group. Angela and Kees are also part of the dinner club, giving the book five couples and a broader network of affairs, business ties and rivalries. Kees has his own history with Babette, while Angela becomes another person Karen must decide whether she can trust. The Netflix version effectively compresses some of that social messiness so the mystery can move faster across seven episodes.

That change also makes the television club feel more claustrophobic. There are fewer peripheral figures to absorb suspicion, so Karen’s relationships with Patricia, Hanneke and Babette carry more narrative weight.

Hanneke’s Fate Is Completely Different

The biggest change comes with Hanneke. Netflix leaves her alive in a coma after her balcony fall, and the finale ends just as she begins to regain consciousness. Her attacker is still unidentified, which turns Hanneke into the unresolved center of a potential second season.

The novel is much harsher and much more conclusive. Hanneke also falls from a balcony and initially lies in a coma, but she does not recover. Ivo ultimately agrees to end life support, and Karen later discovers that Hanneke had been investigating Evert’s death because she knew the apparent suicide story did not make sense.

By the end of the book, the mystery surrounding Hanneke is solved as well. Babette is revealed to have pushed her because Hanneke was getting too close to the truth about Evert. Netflix deliberately removes that certainty. Babette is exposed for Evert’s death, but the question of who attacked Hanneke is still open.

The Book Makes Babette Responsible for Both Deaths

Babette remains central to both versions, but the novel gives her a cleaner role as the story’s final threat. For much of the book, she appears to be the traumatized widow left behind after Evert supposedly kills himself in the house fire. Karen gradually discovers that the picture is false.

The book ultimately establishes that Babette started the fire that killed Evert. It also identifies her as the person responsible for Hanneke’s fatal fall. Her jealousy, obsession with Simon and need to control the people around her all converge in the final confrontation.

Netflix keeps the Evert reveal but changes the shape of the crime. Babette drugs her family and sets the house on fire, leaving Evert unconscious inside. The series then refuses to tie Hanneke’s fall to her with the same certainty, allowing Patricia and other characters to remain plausible suspects.

That distinction is important. The book eventually narrows its mysteries toward Babette. The show ends by widening them again.

Karen and Simon’s Affair Survives the Adaptation

Karen’s attraction to Simon is one of the major pieces Netflix retains. In both versions, Karen enters the dinner club from the outside and becomes involved with a man whose marriage and business dealings are far more complicated than she initially understands.

The novel pushes Simon much deeper into the financial corruption surrounding the group. Karen eventually uses her relationship with him as a way to gather information, while police investigator Dorien Jager becomes increasingly important to her attempt to understand Evert and Hanneke’s deaths. Simon finally reveals enough about Babette for Karen to understand who she is really dealing with.

Netflix redistributes some of that information across the ensemble. Simon remains involved in illegal business activity, but the series gives characters such as Patricia and Ivo more independent secrets rather than making every road lead through Simon.

The affair still nearly destroys Karen’s marriage. What changes is what happens after the truth comes out.

Karen and Michel Get a Different Kind of Ending

In the novel, Karen eventually tells Michel the truth about Simon. Their marriage survives, but the couple decides to leave the community and make a new start elsewhere. Karen’s departure gives the book a sense of finality: the dinner club has been exposed for what it is, and she physically removes herself from that world.

Netflix leaves Karen and Michel in a more tentative position. They are not simply restored as a couple, but they begin moving toward one another again, with Karen saying they are going on a date. It is a smaller, more cautious gesture than packing up and leaving everything behind.

That choice fits the television adaptation’s larger approach. Instead of closing the circle, the finale keeps several relationships active and damaged. Karen can therefore remain inside the story if Netflix wants to continue it.

The Hooded Hospital Visitor Does Not Come From the Book Ending

The hospital cliffhanger is one of Netflix’s most significant inventions. Hanneke begins waking just as an unidentified hooded person enters her room and locks the door. The show offers no face and no explanation, leaving the audience to wonder whether the visitor has come to protect her, threaten her or prevent her from identifying whoever was present before her fall.

The novel does not need such a cliffhanger because Hanneke dies and Babette’s role is eventually exposed. Its final stretch moves toward Karen discovering the truth, confronting Babette and then leaving the dinner-club world behind.

Netflix therefore changes more than the final scene. It changes the basic function of Hanneke’s story. In the book, her death becomes evidence that helps Karen understand the danger around her. In the series, her survival makes her the person who may still be able to answer the season’s biggest unresolved question.

Why Netflix Changed the Ending

The creative team has not presented every individual change as a strategy for securing another season, so it would be wrong to claim that the cliffhanger guarantees a continuation. What is confirmed is that Goertzen and co-writer Jop Esmeijer intentionally restructured and modernized Noort’s story for a serialized format.

The result is a finale that feels less like the end of a closed murder mystery and more like the end of its first chapter. The book eventually identifies Babette as the destructive force behind Evert and Hanneke’s fates. Netflix gives viewers the Evert answer, then deliberately withholds Hanneke’s.

That may be the most revealing adaptation choice of all. The novel leaves Karen with the burden of knowing exactly what happened. The Perfect Lie leaves her, and the audience, with one final lie that has not yet been broken.