No direct match.
While the film shares a release year with several other "Son" titled projects (such as the Irish-American horror film Son or the James McAvoy thriller My Son ), this specific Korean production is noted for its provocative "adult drama" themes.
His stomach turned to ice.
Typical user intent behind such a long search:
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(Yoon Joon-se) that explores complex family dynamics through a provocative lens
If you are a student of Korean horror, a fan of slow-burn dread (think The Medium or Noroi: The Curse ), or simply someone who wants to see a terrifying deconstruction of family duty, then yes—track down this specific 720p WEB-DL. Avoid re-encodes labeled "x265 10bit" unless you have a modern player, as they can introduce banding in fog scenes. And avoid any release missing the final 3 seconds: after the credits, a single frame flashes of an ultrasound. That frame, in 720p, shows a second heartbeat.