After a deadly earthquake turns Seoul into a lawless badland, a fearless huntsman springs into action to rescue a teenager abducted by a mad doctor.

Years after filming a viral documentary in high school, two bickering ex-lovers get pulled back in front of the camera — and into each other’s lives.

“Dear.M” will tell the story of the campus-wide search for the mysterious “M,” an individual who is mentioned in an anonymous post on a Seoyeon University online community. The realistic…