Lim Jung-hwan is the successor at Korea's largest taxi business, and is enjoying the extravagant nightlife and luxury shopping that comes with his future fortune. Yet, Jung-hwan's ostentatious lifestyle faces a crisis as his mother tells him to drive a taxi so that he can return the money he has squandered and has been stealing from the company s safety box. One day he picks up a customer, Eun-ji, but she dashes off to a hospital before paying her fare. Jung-hwan finds her and seizes a piece o jewelry, a ring, as collateral. However, he loses the ring, giving Eun-ji every excuse to bother him. In doing so, she unwittingly awakens the long-suppressed Casanova living in Jung-hwan. 林正焕（崔成国 饰）是出生于富贵之家的大少爷，从小过着养尊处优的生活，不仅行事轻浮不检点，还有这挥金如土的恶习，是个彻头彻尾的纨绔子弟。某日，在捅出了大娄子欠下巨额债务之后，母亲终于忍无可忍，命令林正焕靠自己的双手赚钱还清债务，就这样，林正焕在百般无奈之下成为了一名出租车司机。 然而，林正焕根本就没有打算好好的上班赚钱，他四处徘徊游荡，不断的惹着麻烦闹着笑话还欠下了高利贷，更在第一单生意时就遇见了没有付车资的恩智（李英恩 饰）。恩智将一枚戒指交给林正焕作为抵押，可糊里糊涂的林正焕，竟然弄丢了这枚对于恩智来说十分重要的戒指。
