Bong Joon Ho’s film is remarkable, and Hye-ja Kim delivers a truly outstanding portrayal of the "Mother." Her son, "Soon Do-joon" (played by Won Bin), finds himself accused of killing a young woman. The authorities appear certain of his culpability, and his legal counsel proposes confinement in a hospital instead of jail, prompting her to begin a relentless quest to prove he is not guilty. As she pursues this goal, s…