A Sister's Vow

The story revolves around the female lead, who seeks revenge for her sister’s death. To uncover the truth, she impersonates her sister and marries into the Qin family, where she suspects the murderer resides. As she investigates, she systematically eliminates suspects while navigating the complex dynamics of the Qin family. During her quest for justice, she gradually develops feelings for the male lead, adding emotional depth to her mission. However, as she digs deeper, she makes a shocking discovery: her sister’s child was not her husband’s, which complicates the mystery and raises new questions about the true circumstances of her sister’s death.