1968: In a remote studio deep in the Appalachian hills, sound engineer Ray Mercer is obsessed with capturing the perfect recording - a folk song rumored to summon a spirit known as The Hollow Tune.But when the studio falls silent and Ray vanishes without a trace, the recording becomes nothing more than a local ghost story.Present Day: Ray's estranged granddaughter Clara, an acoustic expert, inherits the decaying studio. Among its dust and relics, she discovers unlabeled reel-to-reel tapes - fragments of impossible sounds that seem to breathe. As she listens deeper, Clara realizes the recordings are not echoes of the past... but messages.The past is still on tape - and it's still recording.A haunting dual-timeline mystery where sound itself holds the key to truth, loss, and legacy.