The Trap Ending Explained: Did Lisa Konrad Kill Her Sister Anna? Why Robert Says He Stabbed Her Six Times, and the Deleted Recording

Most thrillers give you a name at the end and let you go home. The Trap gives you a name and then quietly takes something back. Robert Lenzen killed Anna Konrad, and he says so out loud. And still the finale leaves one number echoing after the credits: six.

Netflix released all six episodes of the German series on Oct. 13, and by Thursday it was No. 2 on the platform's daily worldwide chart behind Below, according to FlixPatrol. I'm not surprised. A recluse who turns her sister's murder into a novel, then uses the novel as bait, is the kind of premise people want to argue about.

A note on how I'm working. I'm going from published recaps, reviews and the creators' interviews, all listed at the bottom, and I tell you where they disagree. The opinions are mine, and I label them.

Who killed Anna Konrad in The Trap?

Quick setup for anyone who got here by search. Lisa Konrad is a bestselling author who hasn't left her house in nearly ten years, ever since her sister Anna was murdered. When she believes she recognizes the killer on television, she decides to use herself as bait, per Netflix's synopsis. The man on screen is journalist Robert Lenzen. Lisa writes a novel built around Anna's murder, then invites Robert to her home for an exclusive interview, knowing a reclusive author almost never grants one.

So who did it? Robert. The finale is explicit about that. According to The Tab's recap, he tells Lisa that he and Anna had been having an affair while he was already married with a child and working for his father-in-law's publisher. When his wife became pregnant with a second child, he says he told Anna he was leaving for good. She threatened to tell his father-in-law, and he describes losing control in a moment of rage.

Then Lisa arrived at the apartment, and he ran. But not before she caught sight of his face from the window. That glimpse is the thing she has carried for a decade, and it turns out she read it right.

The finale in six beats

Here's the last stretch in order, based on The Tab's recap with other recaps checked against it.

1. 1

   Robert confesses

   He tells Lisa about the affair with Anna, says he saw red when she threatened to tell his father-in-law, and says he ran when Lisa showed up.

   The answer
2. 2

   The count

   Lisa's book says Anna was stabbed eight times. Robert insists it was six, and tells her she's the one who finished Anna off.

   The catch
3. 3

   The gun

   Lisa hits him and tries to escape. Robert grabs a gun and fires, and she falls into the empty pool outside.

   The chase
4. 4

   The arrival

   Her publisher, Norbert Rudow (Matthias Brandt), and her literary agent, Pia (Anna Schudt), arrive and say the police are on the way.

   The cavalry
5. 5

   Robert's end

   With no way out, he turns the gun on himself and dies. Per The Tab, his last words to Lisa repeat the six-stab claim.

   The last word
6. 6

   The phone

   At the police station Lisa asks for her phone to call her parents. Instead she listens to the part of the recording about the six stabs, and deletes it.

   The choice

Did Lisa kill Anna in The Trap? The six-versus-eight problem

This is the detail that sends people to Google. Lisa's novel says Anna was stabbed eight times. In the confession, Robert insists he stabbed her six. Lisa suggests he's remembering it wrong, per The Tab, and he doesn't budge. So who delivered the other two?

Here's my ledger. It's my own list, built from the recaps, and the weighing is my opinion.

The series itself stops short of saying it, and I think that's the most important fact on either list. The Tab says Netflix leaves the possibility open without confirming it. IBTimes frames it as two unexplained wounds. Fiction Horizon reads it more strongly, as an ending that shows Lisa wasn't as innocent as she wanted to be seen. Same scene, different conclusions, which is usually a sign the writers built it that way.

One loose thread. A recap on High On Films says Episode 1 reveals two DNA samples on Anna's body. I couldn't confirm how the finale uses that, so I'm not counting it on either side.

Why Lisa deletes the recording (and why I can't stop thinking about it)

If Robert is the killer and he confessed on tape, the recording is the one thing that closes the case. Robert is dead, so the case is closed anyway. Lisa deletes the recording of him implicating her, per IBTimes. She does it quietly, in a police station, with nobody watching.

There are two ways to read that. The dark one is guilt: she heard a sentence she recognizes and can't let anyone else hear it. The softer one is that she's refusing to keep something she can't prove or bear, a sentence from a man who spent the whole series lying to her.

I keep landing on the same point. It's the only choice Lisa makes in the finale that Robert didn't script. For ten years she lived behind a locked door with one memory, and her last act is deciding what she's willing to carry out of it. I find that more affecting than a clean reveal would have been. And I think it says something kind about her, even in the worst case: she wanted to live, not to win.

The Trap book vs the Netflix series: how the endings differ

The series adapts Melanie Raabe's 2015 German novel, published as Die Falle. If you've read it, the finale will feel familiar and then different. In the book, per The Tab, the characters are Linda and Victor, and the confession and the gun are there. The question mark over Lisa is not.

I don't know who proposed the change. What I can say is that Raabe shares the writing credit with Isabel Kleefeld, per But Why Tho and HollywoodLife, so I'd be careful about calling it a betrayal of the book. Adaptations that change an ending are usually asking a different question. The novel asks whether Linda will get her life back. The series asks whether Lisa can live with what she knows, and with what she might not.

My three readings of the ending, ranked by how much I believe them

This is gut feel, not data. The percentages are how much weight I give each reading today.

1. Lisa honestly doesn't know

   40%

   She was a traumatized witness, then spent a decade shut in with one memory. I think the show wants us as unsure as she is.

2. Lisa struck the last blows

   35%

   The count, the dying words and the deleted recording all line up. It's the cleanest reading, and I can't wave it away.

3. Robert is lying, even now

   25%

   He's earned the doubt. But it's the reading that asks us to ignore the most things Lisa does herself.

Notice that none of these says Robert is innocent. That part is settled. What I'm weighing is what the final scene wants me to feel, and I keep coming back to Lisa not being sure herself.

What the people who made The Trap have said about the ending

Kleefeld and Becht spoke to Sleek about it, as reported by The Tab. When the interviewer suggested Becht knew something about Lisa from the start, Kleefeld answered that it's the viewer's decision whether such a secret exists, and that other viewers don't see it at all. Becht said she has a conviction of her own but doesn't want to share it, because she hopes each viewer finds a personal answer.

Then came the line I liked most. After a second watch, Becht said Lisa is now a mystery even to me. When the lead actor of a thriller says that, I don't take it as a dodge. I take it as the design.

What critics say about The Trap so far

The pattern is easy to spot: nearly everyone praises Friederike Becht, and the arguments are about how the story is told.

Film Focus Online sums up the mood well: a series that drags in places with more red herrings than confident twists, but builds to two strong final episodes. That fits what I'd expect from the recaps. The ending is the best-argued part of the show, and that's the part people are talking about.

Should you watch The Trap? My quick guide

What isn't confirmed

• Whether Lisa struck any of the wounds. The series leaves it open.
• What the two DNA samples on Anna's body mean. One recap (High On Films) mentions them in Episode 1, and I couldn't confirm how the finale uses them.
• Whether there will be more. I found no announcement as of Oct. 16.
• Netflix's official first-week viewing numbers. I found only daily chart rankings.
• Who suggested the ending change from the novel. Raabe shares the writing credit, but I found nothing saying who proposed it.

The Trap questions, answered fast