The New Netflix documentary Into the Deep explores the Submarine Murder case of Swedish Journalist Kim Wall, by Danish Inventor Peter Madsen. It offers a deeper insight into the chain of events that led to the horrifying end.
The documentary is directed by Filmmaker Emma Sullivan and has a runtime of one hour and twenty-seven minutes.
-Into the Deep Review Contains Spoiler-
As pointed out by the director, the initial purpose of the documentary was to follow and cover the workings of Danish inventor and entrepreneur Peter Madsen. The director wrote to him about the project and was soon taken on board. However, everything changed on the 10th of August 2017, when Peter disappeared with journalist Kim Wall inside the submarine.
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The documentary has a non-linear pattern that constantly switches back and forth, starting from the day of the disappearance. We learn the chronology of the events as they happened, along with the result of the final trial. Notably, with this approach, the documentary will keep you invested and attached to the minute observations.
Along with Peter, the documentary also features a team of his interns and friends, that go through a serious transition of processing the events. In the footage before the day of the disappearance, we can see them describing Peter as an enthusiastic and passionate man. Moreover, they also hail Peter in some regards but definitely mention his shortcomings because, for them, Peter is almost like a jigsaw puzzle.

They do their job and leave the so-called crazy genius with his inventions. However, it is only after the disappearance of the journalist, that the pieces of the jigsaw come together.
It is important to note that the film footage was instrumental in the court proceedings following the trial. This is why there are many moments in the documentary which foreshadow the real nature of Peter and his brutal crime. Alas, everything only makes sense after the crime is committed.
Into the Deep will make you question many different things. Starting with a basic understanding of human nature and its duality. For instance, the vicious side of Peter is revealed layer by layer in the documentary. At first, he appears as a charmingly polite character, and then later a ruthless psychopath. The real-life depiction of events will surely give you the chills and horrific insights.
Into the Deep Final Thoughts

Based on true events, this crime documentary is an unsettling watch. Which is definitely not designed for the faint-hearted. The documentary explores serious and sensitive themes and is an exceptional piece of investigative cinema. All in all, this Netflix documentary will definitely leave an effect on you.
You can stream Into the Deep on Netflix. Tell us your thoughts regarding the documentary in the comment section below.
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It’s fake
Imagine that. After having lived through this whole tragedy, and eventually moving on, I hear that Emma has finally finished her movie. I watch it and think she has done a fantastic job of portraying what happened and what it was like for us friends and volunteers. I am curious what others think of the film and therefore read a review and afterwards look at the comments to get an idea what regular people think.
There’s a single comment.
By random dude from the internet with no idea what he is talking about.
“It’s fake”
Sigh.
I’m sorry this person was so insensitive. I just watched and I thought it was really well done and I felt awful for the victim and her family but also his friends who he deceived.
You’re right. She’s done a fantastic job. I’ve just watched this and was blown away. The empathy when filming crew members grappling with the massive deception; the flash-forwards and flashbacks telling an in-depth story, slowly contradicting the first impression; the parallel montage playing off each other and heightening the horror… impressive documentary.
I’m sorry for family and friends who carry this horror.
I thought it was well done slowly unfolding the horror and real nature of this monster.
I just watched it and it’s riveting. I kept asking myself if I’d have picked up on his true nature and was left still wondering. The clip of him describing human predators … WOW.
I just watched this documentary and found it to be very tastefully done, while portraying the events of an ugly demise. My heart bleeds for all the interns and friends who worked with Peter Madsen as it must be terrifying to learn that someone you are so close to and admire, is a murderer, and you had no clue who he really is. That would haunt me for the rest of my life. My heart bleeds even more for the family and boyfriend of Kim Wall. Something that was meant to be an exciting adventure for her abruptly ends her life. They too will be haunted for the rest of their lives. Such a terribly sad story 🙁
I agree…..the clip of him describing human predators is unnerving. It was as though he was purposely describing himself, knowing that the interviewer had no idea who he really is.