The Patriotic Warrior: A Sister's Vengeance

Introduction: Once a formidable force, Sara Ian, Chief of Ares Clan, retired due to weariness of the world's violence and strife. She let her only sister marry into the Grant family, thinking her happiness assured, but they were a bunch of treacherous villains in disguise. When she found out they almost abused her sister to death, she returned to seek justice. She uncovered their secret collusion with the foreign enemies and, in the end, she punished the traitors.