In the dimly lit rooms of Braun's house in Budapest, Marie grapples with shocking family secrets ‎revealed in a letter from her late mother - a woman she knew as her beloved aunt. The letter ‎stitches together tales of forbidden love, an unexpected lineage with the great composer, Ludwig ‎Van Beethoven, and ends with an urgent request - protect the truth of his secret love affair, detailed ‎in the lost letters to the Immortal Beloved; letters the world has never seen. With newfound ‎purpose, Marie prepares to delve deep into Budapest's enigmatic past to find the lost letters, ‎unraveling mysteries that will invariably transform her life. Trusting in Braun and her mother's ‎confidants, Marie risks her life to protect the extraordinary family legacy she's only begun to ‎comprehend.‎