The trailer introduces “Rivermind,” a groundbreaking neurological system that claims to revolutionize how humans interact with their memories. One of the characters expresses concern over the cost of this technology, hinting at the potential commercialization of personal experiences. As the plot unfolds, viewers witness a character grappling with the consequences of this intrusive innovation, leading to an intense confrontation: “I know she changes things,” one character pleads, suggesting that the technology could alter not only memories but also relationships.