Mrs. Heartless

After her parents abandoning her she was left to provide for herself. She lived in an orphanage and she was kicked out by the caregivers to fend for herself at the age of eighteen. Her luck changes when a lady takes her to marry her son. The lady educates her and marries her of to her son.
Her husband cheats on her, and him and his mistress trick her into having a one night stand with a man she doesn't know of his identity. Her husband later accuses her of infidelity and files a divorce. He succeeds and marries his mistress while his ex wife is outside on the streets suffering in hunger.
After having plenty of misfortunes, the girl finally makes her way to success, running a successful business. While holding a glass of champagne she vows for revenge. She knows that her kindness is what got her into the problems she was in and vows that her kindness is now dead.
In a big mansion, probably the biggest in the city, a man orders his assistant to find the woman he had a one night stand with and bring her to him. The girl now vows for revenge and to protect her daughter and son from her enemies.