For thousands of years, alchemists toiled to synthesize rare substances and universal cures, to manipulate the speed of natural processes. Today, a woman has her husband’s ashes transformed into a memorial diamond. Precious metals are extracted from obsolete electronics. What was once the world’s largest landfill now also the final resting place of the World Trade Center’s remains is being converted into a public park. The film intimately examines various transmutations, both microscopic and massive, that reshape matter and its meanings. What separates the permanent from the impermanent, the things we discard from those we preserve?