Piggy is tired of working for his uncle on a pig farm and moves to Kowloon to work as a car parking attendant. He befriends a fellow attendant, appropriately named Parkman, who steals cars at night. 士丹尼是一个精灵开朗的青年，因厌倦乡间养猪生涯，毅然前往尖东一酒家任代客泊车之职，并与同事阿文结成好友。士丹尼穿针引线使阿文结识到其暗恋已久的艳女郎史提拉，一改其灰暗人生观。另一方面，士丹尼鼓励同事勤奋工作，以礼貌笑容博取更多小账，但却因部份害群之马盗窃客车内之贵重物品及换取汽车零件，引玫车主不断投诉，士丹尼与阿文遂施计将不良份子绳之于法，更无意中揭破杨大爷利用汽车贩运伪钞之阴谋。
