Mother is a 2009 South Korean neo-noir thriller film directed by Bong Joon-ho, starring Kim Hye-ja and Won Bin. The plot follows a mother who, after her intellectually disabled son is accused of the murder of a young girl, attempts to find the true killer to get her son freed.

Bong Joon-ho is a South Korean film director, producer and screenwriter. The recipient of three Academy Awards, his filmography is characterised by emphasis on social and class themes, genre-mixing, black humor, and sudden tone shifts.