Tomoya Oku
Takaaki Kawaminami
Series
Watch The Decagon House Murders (2024) Online
Synopsis
The drama tells the story of a group of seven university students who travel to a deserted island where a strange decagonal mansion stands. It was the scene of a grisly mass murder six months earlier, and events soon turn ominous.
Episodes
Season 1
PreviousNext
1. Episode 1Now viewing2024-03-2253mKonan Takaaki, a former member of K University’s Mystery Research Club, receives a mysterious letter from Nakamura Seiji. Determined to uncover the truth, he visits Seiji’s younger brother and meets Shimada Kiyoshi, who soon joins him in investigating the mystery.
2. Episode 22024-03-2244mDuring a training camp at the Decagon House on Tsunoshima Island, a member of the Mystery Research Club is murdered. As suspicion spreads among the isolated group, Konan and Shimada search for clues related to the earlier Aoyashiki incident.
3. Episode 32024-03-2248mKonan and Shimada continue their investigation but struggle to uncover any solid leads. While they question whether the mysterious letter might have been a prank, a terrifying incident unfolds at the Decagon House.
4. Episode 42024-03-2246mReviewing the clues they have gathered, Konan and Shimada develop a new hypothesis that could explain the tragedy at Aoyashiki. Determined to uncover the truth, they decide to travel to Tsunoshima Island themselves.
5. Episode 52024-03-2249mAs the situation at the Decagon House grows more serious, Konan learns the shocking details of the incident from the police. Devastated by the deaths of his friends, he considers stepping away from the case, but ultimately resolves to continue the investigation and reveal his final theory.
Cast
Top Billed Cast
Munetaka Aoki
Kiyoshi Shimada
Akihiro Kakuta
Koujiro Nakamura
Toru Nakamura
Seiji Nakamura
Ayumu Mochizuki
"Ellery"
Neru Nagahama
"Agatha"
Yuki Imai
"Leroux"
Kosuke Suzuki
"Poe"
Reia Yonekura
"Orczy"
Rukiya
"Carr"
Hiroto Kobayashi
Kyoichi Morisu
Asumi Kikuchi
Chiori Nakamura
Mari Hamada
Kuniko Matsumoto
Tamiyo Kusakari
Masako Yoshikawa
Yasuyuki Maekawa
Seiichi Yoshikawa
Aoba Kawai
Kazue Nakamura
Tetsuhiro Ikeda
Osamu Shimada
Availability
Where To Watch Legally
Amazon Prime Video
Amazon Prime Video with AdsStreaming availability data provided by JustWatch.
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FAQ
Frequently Asked Questions
Is The Decagon House Murders available to watch online?
Yes - see the "Where to watch legally" section on this page for streaming, rental and purchase options.
How many seasons does The Decagon House Murders have?
The Decagon House Murders has 1 season and 5 episodes.
When did The Decagon House Murders first air?
The Decagon House Murders first aired in 2024.
Is The Decagon House Murders still running?
The Decagon House Murders's status on TMDB is: Ended.
What genre is The Decagon House Murders?
The Decagon House Murders is classified as Mystery.