Dementia patients in Australian aged care homes sit slumped and unresponsive for most of the day, until caregivers hand them headphones loaded with songs from their youth. The film follows the rollout of Music and Memory, a program in which staff research each resident's history and build a personalized iPod playlist, then films what happens when the music starts: patients who haven't spoken in months sing along word for word, tap their feet, and describe memories that seemed gone. The same approach turns up with Parkinson's patients, where a familiar rhythm can briefly let a frozen body move again. Researchers and neuroscientists explain what's happening in the brain, how musical memory is stored differently from other memory and can survive damage that wipes out nearly everything else. The film treats this as both a moving human story and a genuine clinical question, asking whether personalized playlists deserve a permanent place in dementia care rather than remaining a side project in a handful of facilities.