Watch A Mother on the Edge (2019) HD Full Movie Free on SolarMovie. Watch A Mother on the Edge (2019) online free. A mother is forced to question her sanity when her daughter disappears and she's told that she's bee...A mother is forced to question her sanity when her daughter disappears and she's told that she's been dead for over a year, igniting a chase for the truth in order to save her little girl's life before it's too late.