Not necessarily a murder (though that helps), but a fundamental mismatch in perception. For example: Mother believes she sacrificed everything for her children. Daughter believes Mother sacrificed the children for her own ego. Neither is entirely right. The struggle to determine the truth of their shared past is your plot.
The movie "The Descendants" is a beautiful example of forgiveness and redemption in family drama. The film follows Matt King, a man who must come to terms with his wife's coma and confront his complicated relationships with his two daughters. As Matt navigates his family dynamics, he finds a path towards forgiveness, healing, and ultimately, redemption. amma magan tamil incest 17 directsound franceha link
It externalizes internal worth. The will becomes a scorecard of parental love. Not necessarily a murder (though that helps), but