Bus Money dons various disguises on public buses to protect the defenceless from the bullies and receives heroic praise. Money meets Tai Ngau, a righteous journalist, when they bear witness to the callous response of Manager Mo to the death of his servant Ah-kwai. Tai writes to redress grievances of the deceased. When visiting the family of orphans, he chances on his kindred spirit giving the elde...

Industrialist Tam Kar-cheung knowingly puts the lives of his workers at risk so as to line his pocket with insurance payments. The chivalrous Bus Money gets into fisticuffs with Tam's chauffeur, Tam Biu, who bears a grudge against the assailant. When Money catches wind of Kar-cheung's vicious plot to set fire to a squatter area to clear the path for a property development project, she moves in and...