Big Mouth and Lui have been best friends since they were little. But things change when they are grownups. Big Mouth is a harsh and stingy billionaire, and Lui is just a junior employee of Big Mouth’s company, working like a salve for Big Mouth. After work, Liu is a special policeman. The two meet a policewoman, Donna, and chase her coincidently. Donna has feelings for Liu which angers Big Mouth...