Neuroscientist Alex invents the "Neural Bridge"—a revolutionary technology allowing two people to share memories, sensations, and emotions. She and her husband Marcus become the first test subjects, reigniting passion in their once-distant marriage. However, when Marcus's ex-girlfriend Chloe, a neuroethicist, returns with warnings about the dangers of the Neural Bridge, Alex discovers her husband is hiding secrets. In desperation, she modifies the technology to monitor Marcus, only to trigger a deeper crisis of trust. As their perfect connection becomes a perfect prison, they must confront a brutal question: does true intimacy require complete transparency?