A NEW "Haunted Harmony" Mystery Movie Is Set to Premiere September 2026!
- Jul 30
- 2 min read
Tamera Mowry-Housley is back this Fall with another Haunted Harmony Mystery premiering September 5 on Hallmark Channel.
It will mark the fourth installment in the franchise.

What Is Prelude to a Wedding About?
During the recent Hallmark Stars Live Tour in New Jersey, Mowry-Housley delighted attendees when she announced Gethsemane Brown would be returning soon to solve another mystery.
In the new installment, titled Prelude to a Wedding, Gethsemane is invited to play at a wedding where she and Eamon find themselves involved in the death of a member of the bridal party.
If you're new to the movie series, they are cozy mysteries about Gethsemane, a violinist and former conductor, who solves mysteries in scenic Ireland with the help of a ghostly roommate named Eamon.
FUN FACT: Mowry-Housley learned how to play the violin in real life thanks to the character she plays on TV!
What Are the Haunted Harmony Mystery Movies in Order?
If you'd like to catch up on the Haunted Harmony mystery movies before the new one airs, here are the previous titles:
Haunted Harmony Mysteries #1: Murder in G Major
The first movie in the Haunted Harmony mystery series is Murder in G Major, which premiered in 2023.
The story is about a new teacher at an Irish prep school who is shocked to find a ghost haunting her house. She decides to help solve his murder in the hopes that it will allow him to move on.

Risteard Cooper plays the ghost, Eamon, while Marco Grazzini's role is a Calculus teacher and Gethsemane's colleague.
Haunted Harmony Mysteries #2: Buried at C
In movie number two from 2025, Buried at C, music teacher Gethsemane and her trusted ghost friend Eamon join forces to solve the unexplained death of a sea captain. She must also protect her brother, who may be able to identify the murderer.

Haunted Harmony Mysteries #3: Key to the Castle
The third installment premiered earlier in 2026.
When a ghost hunter show comes to town, it's up to Gethsemane and Eamon to solve the unexpected murder of the host, allowing the new spirit to cross-over.

How many of the Haunted Harmony Mysteries have you seen? Do you enjoy this series?
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