Nick Bannister (Hugh Jackman) is a scientist and private investigator of the mind who discovers a method of reliving past memories. While living on a sunken stretch of the Miami coast, he uses the technology to navigate the dark and alluring world of the past, searching for his long-lost love along the way. But Nick’s life changes forever when he takes on new client Mae (Rebecca Ferguson). While helping her access lost memories, Mae disappears out of the blue. What was once a game of lost and found becomes a dangerous obsession and Nick eventually uncovers a violent conspiracy that has him reconsidering how far people will go for the ones they love.