Yeo Eun-nam is a shrewd and determined chaebol granddaughter, navigating the treacherous world of corporate and political power with a mix of loyalty and quiet cunning. Despite her poised exterior, she carries the weight of complex family dynamics—her ailing grandfather Cha Kang-cheon, whose dementia leaves her balancing respect with responsibility, and her resentful stepfather Yeom Hu-ii-do, whose ambitions threaten her family legacy. Recently married to prosecutor Yeom Hui-cheol.