An ex-gangster avenges the death of his friend while taking care of his friend's blind sister.
After his best friend is murdered, an ex-gangster vows revenge. He also cares for his friend's sister, Lisa, who is blind and under the impression that her brother is still alive. As the ex-gangster searches for the murderers, he must decide whether or not to reveal the truth to Lisa - and to absolve his conscience of guilt.—Veerapol Saivichit