Sisterhood of Truth and Revenge

Two sisters, who have depended on each other since childhood, face a tragic fate due to their intellectual differences. The elder sister, though mentally challenged, courageously saves her younger sibling from danger, but tragically loses her life in the process. Years later, the younger sister achieves success and is determined to find her true sister. After much searching, she finds the daughter of her real sister and uncovers the shocking truth: the imposter sister was killed by her biological mother while helping others. With the truth finally revealed, the younger sister brings the wrongdoers to justice, avenging her family's loss.