Cheung Sung-bong is a highly respected cop with a long history of success in dangerous cases. However, his past soon comes back to haunt him when a former protégé resurfaces, seeking revenge.
A corporate tragedy and encounter with Helena Law Lan's taoist master leads Mei Qi to meet three relative ghosts who later support the protagonist and her new boy friend Zhang Zi-jin on their new "haunted" hotel business.
High Court Judge Yin Wai-chi sacrifices her prestigious career to become a Juvenile Court judge, dedicated to redeeming delinquent youths and upholding justice.