Four Sisters(2001)

Four Sisters is a Korean drama following the lives of four half-sisters as they navigate love, ambition, and family loyalty. Hae Jung, the eldest, is selfless and protective despite being only a half-sibling. Yu Jin pursues her own ambitions while harboring feelings for family friend Young Hoon, creating tension within the household. Yu Mi chases wealth and accepts a proposal from a wealthy man, though her heart lies elsewhere. The youngest, Yu Sun, is a high school student with a serious heart condition who develops feelings for her teacher. Over the years, each sister faces obstacles in finding genuine love while juggling personal desires and family obligations. Despite romantic complications and conflicts, the four remain deeply devoted to one another, their bond serving as an anchor through life's challenges.