Name: The Decagon House Murders
Released: 2024-03-22T00:00:00.000Z
Cast: Tomoya Oku, Munetaka Aoki, Ayumu Mochizuki

TV Show · Drama · Mystery

The members of a university detective-fiction club spend a week on the remote Tsunojima Island, in an eerie ten-sided house, because of a spate of murders that transpired the year before. Things soon take an ominous turn for the club.

2024 · 52m

Starring Tomoya Oku, Munetaka Aoki, Ayumu Mochizuki

EPISODE 1

Episode 1

Former Mystery Club member Takaaki Kawaminami receives a mysterious letter from Seiji Nakamura. Meanwhile, the club vists Decagon House, an annex of the Blue Mansion on Tsunojima.
EPISODE 2

Episode 2

At the Decagon House on Tsunojima, one Mystery Club member is murdered, and the group spiral into suspicion. Meanwhile, Takaaki and Kiyoshi investigate the Blue Mansion case, where they spot Masako Yoshikawa, the missing gardener's wife.
EPISODE 3

Episode 3

Takaaki and Kiyoshi keep investigating the Blue Mansion case, but with no leads, they have made no progress. They wonder if the letter was just a prank by the Mystery Club members at the Decagon House, but decide to keep going. Meanwhile, a nightmare unfolds at Tsunojima's Decagon House.
EPISODE 4

Episode 4

Still without a solid lead, Takaaki and Kiyoshi review what they know and arrive at a theory. To uncover the truth, they visit Kojiro Nakamura again. Soon after, with theories colliding, they decide to head for Tsunojima.
EPISODE 5

Episode 5

The Decagon House on Tsunojima falls into an unimaginable crisis. After hearing about the case from Oita detective Osamu Shimada and facing his friends' deaths, Takaaki is crushed, but a word from his landlady makes him investigate again.