Discovering a disembodied ear while out walking leads “Jeffrey” (Kyle MacLachlan) to report his find to the authorities, who suggest he remain silent about it. Perhaps that would have prevented him from becoming entangled in the sinister dealings of the volatile "Frank" (Dennis Hopper), and Frank’s girlfriend, "Dorothy" (Isabella Rossellini), with whom Jeffrey quickly develops an attraction. Along with the officer's daughter “Sandy” (Laura Dern), they attempt to unravel the mystery, but their investigation proves risky, revealing a shadowy and dangerous side of society—a world that also proves strangely compelling for Jeffrey. Hopper, in his oxygen-mask wearing role, is undoubtedly the film’s standout performer, delivering a captivating mix of anger, mania, and sensuality. However, I found the remainder of the production somewhat underwhelming; the narrative lost its momentum, the sexual dynamics grew tiresome through repetitive presentation, and Rossellini's performance felt unconvincing. The movie initially explores themes of sadomasochism in an amusing way, but that cinematic fascination eventually becomes tedious. Dern isn’t someone whose performances I typically enjoy, and she doesn’t contribute much until the final scenes when the resolution arrives. As with many Lynch films, I experienced a sense of detachment—I don't care for surrealism or excess simply for its own sake, and that’s precisely what this film offered. I realize my opinion is uncommon, but even the excellent soundtrack couldn’t win me over; it just didn’t resonate with me, unfortunately.

Source on TMDB