Haunted Harmony Mysteries: Key to the Castle

"Behind the scenes. Beyond the grave"

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 brand-new spirit to cross-over.

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Release Date	May 30, 2026
Status	Released
Original Title	Haunted Harmony Mysteries: Key to the Castle
Runtime	1h 24min
Budget	—
Revenue	—
Language	English
Original Language	English
Production Countries	Canada, United States of America
Production Companies	Front Street Pictures Muse Entertainment Treehouse Media Hallmark Media

Part of

Haunted Harmony Mysteries Collection

Includes: Haunted Harmony Mysteries: Murder in G Major, Haunted Harmony Mysteries: Buried at C, Haunted Harmony Mysteries: Key to the Castle, Haunted Harmony Mysteries: Prelude to a Wedding

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