56 Days

56 Days
Genre
Based on
56 Days
by Catherine Ryan Howard
Developed by
Starring
ComposerNathan Barr
Country of originUnited States
Original languageEnglish
No. of seasons1
No. of episodes8
Production
Executive producers
  • Karyn Usher
  • Lisa Zwerling
  • James Wan
  • Michael Clear
  • Rob Hackett
  • Sandrine Gros d'Aillon
Running time43–53 minutes
Production companies
Original release
NetworkAmazon Prime Video
ReleaseFebruary 18, 2026 (2026-02-18)

56 Days is an American thriller television series developed by Karyn Usher and Lisa Zwerling for Amazon Prime Video. Based on Catherine Ryan Howard's 2022 novel of the same name, and executive produced by James Wan, the series stars Avan Jogia, Dove Cameron, Karla Souza, and Dorian Crossmond Missick. It alternates between two timelines, following Oliver and Ciara's relationship after meeting in a supermarket, and 56 days later, when a corpse is found in their apartment with two detectives investigating the murder.

The series premiered on Amazon Prime Video on February 18, 2026.

Premise

Oliver Kennedy (Avan Jogia) and Ciara Wyse (Dove Cameron) start an intense relationship after meeting in a supermarket. 56 days later, an unidentified body is found in Oliver's luxury apartment linked to him and Ciara. Detectives Lee Reardon (Karla Souza) and Karl Connolly (Dorian Crossmond Missick) reconstruct the couple's deadly romance across the past 56 days, trying to uncover what happened.[2]

It is ultimately revealed that Ciara's real name is Megan, and that she had initiated the relationship with Oliver to exact revenge on him for the death of her brother, Shane, who committed suicide in prison after being convicted of a death for which Oliver was responsible. Over the course of the series, Megan realizes that Oliver is genuinely remorseful, and she falls in love with him. The body in the apartment turns out to be Oliver's manipulative therapist, whom Megan killed in self-defense. The series ends with Megan and Oliver still together, having had a child named Shane.

Cast and characters

Main

Recurring

  • Alfredo Narciso as Elliot Berhane
  • Jesse James Keitel as Alison Meadows
  • Patch Darragh as Dan Troxler
  • Megan Peta Hill as Shyla Martin
  • Kira Guloien as Jane Miller
  • Matt Murray as Kevin Sullivan
  • David Klein as Declan Kelly
  • Jennifer Ferrin as Kristi Martin
  • Dylan Colton as Linus Finch
  • Celeste Oliva as Camille Russo

Episodes

No.TitleDirected byTeleplay by [1]Original release date [3]
1"Chapter 1"Alethea JonesKaryn Usher & Lisa ZwerlingFebruary 18, 2026 (2026-02-18)
Working class Ciara begins to fall for rich, handsome Oliver after a chance encounter. 56 days later, Detectives Lee and Karl encounter a gruesome homicide. Did Ciara and Oliver's highly-charged romance end in murder?
2"Chapter 2"Alethea JonesKaryn Usher & Lisa ZwerlingFebruary 18, 2026 (2026-02-18)
Oliver rushes headlong into a romance with Ciara despite red flags on both sides. Karl spots Lee in a mysterious encounter with a suspect while they work to investigate the identity of both the victim and the killer.
3"Chapter 3"Shana SteinKaryn Usher & Lisa ZwerlingFebruary 18, 2026 (2026-02-18)
Oliver's paranoia grows when Ciara moves into his upscale apartment. Lee keeps a secret from Karl, but makes a key discovery in the search for the killer.
4"Chapter 4"Shana SteinJanet LinFebruary 18, 2026 (2026-02-18)
Oliver and Ciara's twisted romance intensifies as she gets closer to accessing his multi-million dollar fortune. Lee admits the truth about Linus Finch while she and Karl track down a stalker.
5"Chapter 5"Lauren WolksteinBrandon K. HinesFebruary 18, 2026 (2026-02-18)
In the midst of a city-wide holiday celebration, altered states and a prying journalist push Oliver and Ciara to their breaking point. Lee and Karl circle a new suspect as they close in on the identity of the body in the bathtub.
6"Chapter 6"Lauren WolksteinMichael BroadyFebruary 18, 2026 (2026-02-18)
Oliver spirals as Shyla forces Ciara to make a hard decision. Karl and Lee confront personal demons that threaten their partnership.
7"Chapter 7"Jessica YuAlexandra CunninghamFebruary 18, 2026 (2026-02-18)
The incident at Narrow River sends shockwaves through Oliver and Ciara's lives. Lee and Karl discover the truth, but face brutal consequences.
8"Chapter 8"Jessica YuKaryn Usher & Lisa ZwerlingFebruary 18, 2026 (2026-02-18)
Karl and Lee put together some final pieces to truly understand everything about Oliver and Ciara's intense, charged and fatal love affair.

Production

The series is produced by Amazon MGM Studios and Atomic Monster and was commissioned in December 2023.[4] The series is written and executive-produced by Lisa Zwerling and Karyn Usher. James Wan is one of the executive producers, along with Michael Clear and Rob Hackett at Atomic Monster.[5] Nathan Barr composed the score for the series.[6] Multiples changes where made for the series, with the setting from the novel changed from Dublin to Boston. The other major change is that the novel takes place during the COVID-19 pandemic, with Oliver suggesting that Ciara spend the lockdown at his place; however, the pandemic's storyline was removed for the adaptation.[7]

In May 2024, Avan Jogia and Dove Cameron were cast in the lead roles of Oliver Kennedy and Ciara Wyse.[8] In June 2024, Karla Souza, Megan Peta Hill, Dorian Crossmond Missick, Patch Darragh, Kira Guloien, Celeste Oliva, Jesse James Keitel, and Matt Murray joined the cast.[9]

Filming took place in Montreal in June 2024.[10]

Release

56 Days premiered on February 18, 2026, on Amazon Prime Video, with all eight episodes released at once.[3]

Reception

On the review aggregator website Rotten Tomatoes, the series holds an approval rating of 60% based on 30 reviews. The website's critics consensus reads, "56 Days almost overstays its welcome with this snoozy mystery, but its central conceit is saved by two utterly beguiling performances." [11] Metacritic, which uses a weighted average, gave it a score of 55 out of 100 based on 11 critics, indicating "mixed or average" reviews.[12]

References

  1. ^ a b c "56 Days". Writers Guild of America. Retrieved December 9, 2025.
  2. ^ Porter, Rick (December 11, 2023). "'Obsession' Thriller From James Wan's Atomic Monster a Go at Amazon". Hollywood Reporter. Retrieved May 24, 2024.
  3. ^ a b "Prime Video Reveals First-Look Images and Premiere Date for 56 Days, Starring Dove Cameron and Avan Jogia". Amazon Prime Video (Press release). December 9, 2025. Retrieved December 9, 2025.
  4. ^ Andreeva, Nellie (December 11, 2023). "'56 Days' Series Adaptation Greenlighted By Prime Video From James Wan's Atomic Monster". Deadline Hollywood. Retrieved May 24, 2024.
  5. ^ Carson, Lexi (May 23, 2024). "Dove Cameron, Avan Jogia Cast in Prime Video Thriller Series 'Obsession' With James Wan Executive Producing". Variety. Retrieved May 24, 2024.
  6. ^ "Nathan Barr Scoring Prime Video's '56 Days'". Film Music Reporter. December 9, 2025. Retrieved December 10, 2025.
  7. ^ "Prime Video's New 8-Part Psychological Thriller Series Rewrites The Rules Of Book Adaptations". Screen Rant. February 23, 2026. Retrieved March 3, 2026.
  8. ^ Grobar, Matt; Andreeva, Nellie (May 23, 2024). "Dove Cameron & Avan Jogia To Star In Prime Video Thriller Series 'Obsession'". Deadline Hollywood. Retrieved May 24, 2024.
  9. ^ Petski, Denise (June 28, 2024). "Prime Video Thriller Series 'Obsession' Adds 5 To Cast". Deadline Hollywood. Retrieved June 28, 2024.
  10. ^ Vardhan, Harsh (April 16, 2024). "Prime Video's James Wan Series Obsession Has Begun Filming in Montreal". The Cinemaholic. Retrieved September 18, 2024.
  11. ^ "56 Days: Season 1". Rotten Tomatoes. Retrieved April 27, 2026.
  12. ^ "56 Days: Season 1". Metacritic. Retrieved April 27, 2026.

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