An aspiring singer with severe stage fright only feels comfortable performing inside a literal cardboard box. A washed-up music producer helps him overcome his fears on a road trip across South Korea.

Popular among K-pop fans in Poland, often found on regional streaming services with Polish fan-made or official subtitles. BORDERLINE WEIRD: THE BOX (2009) | 366 Weird Movies

A suburban couple receives a mysterious wooden box. If they press the button inside, they receive $1 million, but a stranger somewhere in the world will die.