It turns out that Wu and Nga are biological sisters. Wu thinks the background of Nga may bring her troubles as Nga has once been a dancing girl. Wu is locked up in a dark cell after she hits Wei. Nga starts working as a cleaning worker in the prison with a wish to see Wu more. Leung visits Nga and brings her son a present. In fact, the boy is the illegitimate child of Leung and Nga. Leung thinks Nga should not work in a prison, yet Nga believes it is worth doing as Wu is her biological sister. Wu enjoys no more privilege since Hoi has renounced the engagement. She is injured by Hon Wan, a violent inmate in the prison. Nga is hurt by a police dog when she is trying to save Wu. The sisters are sent to the hospital together. In the hospital, Nga gives Wu her words of support and sincerely tells her that she is not going to leave her alone. The sisters become friendly again.… ...
