After giving birth to four children, a woman is separated from her children due to her treacherous younger sister's actions. Three of the boys are thrown into a river by her, while the girl is left behind. Years pass, and the three boys grow up to be exceptionally talented and embark on a mission to uncover their true identities, preparing for revenge. In the meantime, their mother, who miraculously survived a devastating fire, plays a pivotal role in their fight for justice.
