Love and hate relationship

After their father passed away, the two daughters took over his company, while the youngest daughter chose to manage the household affairs. Years before, due to his destruction, he lost his land and property. In order to take revenge, he made his son get close to the three sisters. The youngest daughter and her unborn baby died together. The eldest daughter lost her memory, and the second daughter lost her father's company. Is this really what he wanted? Or does he have to spend the rest of his life paying for it?