I Changed My Fate with Slaps in the 70s

Modern martial arts champion Su Wansing travels to the 1970s and becomes a countryside youth betrayed by her stepmother. She is bold and quick-tempered, known for slapping anyone who crosses her. She tears apart her evil in-laws and stepmother, exposes a fraudulent marriage plot, punishes the wicked, and accidentally gets involved in a villain's treasure-hunting conspiracy. Relying on her skills and wisdom, she eliminates harm to the people, becomes the head of the Women's Federation, finds love, and protects the nation's treasures.