Every memory is a recording. Nothing about the Salton Sea is normal. The sand isn't sand. Just piles and piles of desiccated bones. There are little pockets where life clings on, birds, reptiles, people. It's an ecosystem of living things that rely on other living things too stubborn to leave. Life forcing itself on death, or maybe the other way around. Dee and her wife Sharon find this out the hard way after making a quick stop at Salvation Mountain to film some b-roll and see the sights out in the middle of the vast nothing. A bizarre rumor of a "crack in the sky" from one of the locals sends them on the hunt for an abandoned yacht club- where they make a discovery that changes their lives forever, and those close to them as well. Could you identify a loved one by their whisper? Beneath the Salton Sea is a cosmic horror technological nightmare transcribing the raw honesty of what makes a family, what breaks them, the difficulties of communication, and the painful joy of memories. If you knew this was the last thing I'd ever tell you, what would you want me to say?