In Love and Deep Water (2023): Murder Mystery at Sea


In Love and Deep Water

In Love and Deep Water” is an emotional mystery thriller set on a luxurious cruise ship where two characters become embroiled in an investigation of murder. This thrilling film explores themes of love, betrayal and deception set against the captivating Aegean Sea backdrop.

Release date: November 16, 2023

Director: Yûsuke Taki


  • Ryō Yoshizawa as Suguru Ubukata
  • Aoi Miyazaki as Chizuru Banjaku
  • Yo Yoshida as Hatsumi Yabuchi
  • Rinko Kikuchi as Aina Horikawa
  • Kento Nagayama as Shintaro Ibuki
  • Yuki Izumisawa as Ryuki Yuzawa
  • Aju Makita as Shiori Hagiwara
  • Hatsunori Hasegawa as Sohei Kuruma
  • Saki Takaoka as Misaki Kuruma
  • Ken Yasuda as Michihiko Kuruma
  • Yunho as Kanato Sakumoto
  • Rumika Oogai as Rena Kuruma


  • Suguru Ubukata: A dedicated butler on the MSC Bellissima cruise ship
  • Chizuru Banjaku: An enigmatic passenger who claims that her partner is on the verge of infidelity
  • Hatsumi Yabuchi: A passenger who is found dead in the ship’s rooftop pool
  • Aina Horikawa: A passenger who is suspected of being the murderer
  • Shintaro Ibuki: A passenger who is also suspected of being the murderer
  • Ryuki Yuzawa: A passenger who is connected to Hatsumi Yabuchi
  • Shiori Hagiwara: A passenger who is connected to Shintaro Ibuki
  • Sohei Kuruma: A passenger who is connected to Misaki Kuruma
  • Misaki Kuruma: A passenger who is connected to Sohei Kuruma
  • Michihiko Kuruma: A passenger who is connected to Rena Kuruma
  • Kanato Sakumoto: A passenger who is connected to Yunho
  • Rena Kuruma: A passenger who is connected to Michihiko Kuruma
  • Yunho: A passenger who is connected to Kanato Sakumoto
In Love and Deep Water

Plot Summary

Plot Summary Suguru Ubukata, a dedicated butler on board the MSC Bellissima cruise ship, caters meticulously to his wealthy clientele. However, his life takes an unexpected turn when he encounters Chizuru Banjaku – an untrustworthy passenger who claims that their respective partners may be on the verge of infidelity.

Chizuru’s insistence that they return to Japan to prevent betrayals unsettles Suguru, who initially dismisses her concerns. Their encounter is suddenly cut short when an unexpected discovery: an unconscious body floating in the ship’s rooftop pool.

Disturbed by their passengers’ silence over an incident on board, Suguru and Chizuru embark on a quest to discover its truth. However, as they investigate further into this mystery, they find themselves drawn closer due to each other’s unique personalities.

Suguru and Chizuru find themselves embroiled in an increasingly tenuous romance due to the threat of a murderer who remains hidden among passengers. At the same time, their feelings for each other intensify rapidly as secrets unfold around them and lies are kept within.

Themes and Analysis

“In Love and Deep Water” expertly blends romance, mystery, and suspense, leaving audiences on the edge of their seats. This film delves deep into human relationships while exploring trust fragility and forbidden love’s allure.

The confines of a cruise ship heighten feelings of confinement and discomfort. Passengers, representing society as a whole, become suspects in the murder investigation, with each having their secrets and motivations for participating.

Suguru and Chizuru’s budding romance offers hope amid chaos and suspicion, offering comfort despite everything surrounding them. Built upon mutual understanding and shared vulnerability, theirs is a relationship built to endure through thick and thin.

Critical Reception and Audience Response

“In Love and Deep Water” has earned rave reviews from critics, with praise for its captivating storyline, well-rounded characters, and stunning visuals. Additionally, audiences worldwide have found this blend of romance and mystery compelling, making this streaming-friendly film an easy choice among viewers worldwide.

The critical and commercial success of the film can be attributed to its seamless blend of multiple genres, creating a captivating narrative that keeps audiences engrossed from beginning to end. Ryo Yoshizawa and Aoi Miyazaki’s performances as Suguru and Chizuru stand out, adding depth and nuance to their characters.


“In Love and Deep Water” takes viewers on an unforgettable cinematic experience that submerges them in a world of luxury, intrigue, and forbidden romance. Exploring love, betrayal, and the human psyche leaves an indelible mark, creating a captivating yet thought-provoking cinematic journey.

What shocking secret will unravel aboard this luxurious cruise ship?

Un ominous secret will come to light aboard a luxurious cruise ship when one of its passengers is found murdered in its swimming pool. This shocking discovery will lead to events which reveal long-held secrets, betrayals and sinister motives that had long remained concealed.

When a passenger is found dead in the pool, will love or revenge be the motive?

As police investigate a murder, they will uncover an intricate web of relationships and hidden motives – could love be involved, revenge for previous wrongs done to someone, or something entirely different.

Can a dedicated butler and an enigmatic passenger solve this murder mystery before it’s too late?

Within this chaos and confusion lies an unexpected connection between an attentive butler and an intriguing passenger who work together to uncover the truth while facing danger and betrayal along the way.

Is this the most captivating mystery thriller of the year?

“In Love and Deep Water” will keep audiences guessing until its thrilling climax! With its gripping plot, complex characters, and stunning visuals.

What forbidden romance will blossom amidst the chaos and danger?

As they explore further into the mystery, butler and passenger discover a forbidden romance which becomes stronger as time goes on – though their love will be tested by danger amidst which they must live together and must keep secrets they must hold onto.