Elisabeth Sparkle (Demi Moore), a legendary fitness icon, is unceremoniously fired on her 50th birthday by her sleazy boss, Harvey (Dennis Quaid), who wants a younger face for the show. Desperate to reclaim her relevance, Elisabeth turns to a black-market medical procedure known as "The Substance".

However, without more context or information about "The Substance" (whether it's a movie, series, or documentary), generating detailed text about the topic is challenging. Assuming "The Substance" is a forthcoming or recent movie/series, here's a speculative approach to creating some text around it:

: Indicates the source was captured from a legal streaming service (like Mubi). x264 : The video compression codec used.