A bored journalist reporter's baby monitor is picking up her neighbors' phone conversations, and one neighbor's dialogue in particular convinces her that he's a murderer.
Mother (Korean: 마더) 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.