Netflix's Secrets We Keep reminds fans of Adolescence: From fan reviews to cast, all you need to know about Danish crime drama

Netflix's Secrets We Keep: Binge-watchers, take note: Netflix has just released a gripping new series, Secrets We Keep. This six-part Danish limited series has drawn comparisons to the British show Adolescence, which captivated audiences earlier this year. If you haven't watched it yet, let's unpack everything from fan reactions and cast details to the plot and reasons why Secrets We Keep is a must-watch.

Secrets We Keep premiered quietly on Netflix on May 15, 2025, but has since captivated audiences, becoming the most-watched show on the platform by May 19 worldwide. The series investigates Denmark's au pair culture, centring on the mysterious disappearance of a young Filipino au pair in an affluent Copenhagen suburb. As the investigation unfolds, the series exposes the hidden power dynamics and secrets lurking beneath the neighbourhood's polished exterior.

Secrets We Keep: What's the plot of the series?

In Secrets We Keep, Cecilie and her husband, Mike, rely heavily on their au pair, Angel, who manages household duties and cares for their children. Their neighbors, Rasmus and Katarina, also employ an au pair, Ruby, who is a close friend of Angel. When Ruby suddenly disappears, Cecilie becomes concerned and suspects that her neighbors might be involved. As she delves deeper into the mystery, Cecilie uncovers unsettling secrets within her community, challenging her perceptions of those closest to her.

Meet the cast of Secrets We Keep

Arie Bach Hansen as Cecilie
Marie Bach Hansen stars as Cecilie, a wealthy mother living in an upscale suburb of Copenhagen. Guided by a strong sense of justice, she becomes deeply involved in the search for Ruby, the missing au pair from a neighbouring family — even when it means confronting those she loves most.

Simon Sears as Mike
Simon Sears plays Mike, a respected lawyer and Cecilie’s husband. Calm and composed on the surface, Mike hides disturbing secrets beneath his polished exterior. As the investigation into Ruby’s disappearance unfolds, suspicion begins to fall on him, shaking Cecilie’s trust and turning her world upside down.

Lars Ranthe as Rasmus
Lars Ranthe takes on the role of Rasmus, Cecilie and Mike’s neighbor and the father of Oscar. As tensions rise surrounding Ruby’s vanishing, Rasmus’s questionable past begins to resurface, casting a shadow over his involvement.

Danica Curcic as Katarina
Danica Curcic portrays Katarina, Rasmus’s wife and Cecilie’s friend — or so Cecilie believes. As secrets unravel, Katarina’s facade starts to crack, revealing she may have known far more about Ruby’s disappearance than she ever let on.

Supporting Cast:

Excel Busano as Angel

Donna Levkovski as Ruby

Frode Bilde Rønsholt as Oscar

Lukas Zuperka as Viggo

Sara Fanta Traore as Aicha Petersen

Carl Christian Riestra as Carl

Marina Bouras as Dorte

The series is created by Ingeborg Topsøe and directed by Per Fly, with a screenplay by Mads Tafdrup.

Fans compare Secrets We Keep to Adolescence

Early reviews from viewers are in, and the consensus is Secrets We Keep is another standout from Netflix, with many calling it the platform’s best since Adolescence. Fans are also struck by the show’s look at misogyny and teenage boys' toxic online culture, themes that echo those explored in Adolescence but with a dark edge.

One user wrote, "The Secrets We Keep is not just a Nordic crime series. The layered social commentary is heartbreaking. Reminded me of Adolescence in many ways. Do watch."

The Secrets We Keep is not just a Nordic crime series. The layered social commentary is heartbreaking. Reminded me of Adolescence in many ways. Do watch. On #Netflix.

— Debeshi Gooptu দেবেশী গুপ্ত (@DebeshiGooptu) May 17, 2025

Another user added, "I'm halfway through "Secrets We Keep" (Reservatet). Directed by Per Fly, one of Denmark's finest. How a table of leftover sushi can be made to look ominous. With themes of upper-class privilege, exploitation, racism, and teenage boys' toxic online culture."

I'm halfway through "Secrets We Keep" (Reservatet). Directed by Per Fly, one of Denmark's finest. How a table of leftover sushi can be made to look ominous. With themes of upper class privilege, exploitation, racism, and teenage boys' toxic online culture.https://t.co/7JhpZckX5p

— Hyunjin's Lopapeysa wishes it were Lee Know's cat (@BetulaPubescent) May 17, 2025

"Coming from Denmark is SECRETS WE KEEP, another excellent mystery limited series on Netflix. Packs enough thought-provoking ideas and twists in just 6 episodes, each of 30 to 40 min, with one of the most unsettling finales I've seen. Things get crazier after the third episode," a third wrote.

Coming from Denmark is SECRETS WE KEEP, another excellent mystery limited series on Netflix. Packs enough thought-provoking ideas and twists in just 6 episodes, each of 30 to 40 min, with one of the most unsettling finales I've seen. Things get crazier after the third episode. pic.twitter.com/stPDauCTfo

— Sajin Shrijith (@SajinShrijith) May 16, 2025

"There’s a series on Netflix called Secrets We Keep. If you thought Adolescence was something educational, this is another," wrote another.

There’s a 🇩🇰 series on Netflix called Secrets We Keep.

If you thought Adolescence was something educational, this is another.

— Going To Find What’s Really Mine (@DoesHappen) May 16, 2025

Why Secrets We Keep is a must watch?

Secrets We Keep looks at important issues like class, racism, and misogyny, making the story feel real and relevant. It also gives global viewers a glimpse into Denmark’s au pair culture, which plays a big part in the plot. The thriller keeps you on edge the whole time and definitely leaves an impression.

The cast performances are also worth mentioning — everyone brings something strong to the table, and Marie Bach Hansen has some standout moments as Cecilie.

Right now, the show has a 100% critic score on Rotten Tomatoes. It’s only based on seven reviews, so that could change, but it’s a strong start. The audience score is sitting at 77%.

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