楊日正在保鑣界享負盛名，獲好友夏中秋邀請，加盟負責保護富豪蔣定天的保安公司。日正新上任，面對不少人事問題。另一方面，因為不快的童年，令日正不相信婚姻，卻在此時邂逅游子澄，子澄後來更入職保安公司，日正對她漸生情愫，兩人的感情卻面臨重重考驗……此外，定天之子卓霆與好友苗成林秘密返港，惹出不少麻煩，成林更處處與日正作對。正當日正與子澄關係漸入佳境，卻發現她的秘密，懷疑她別有用心，二人關係瀕臨破裂……
Yeung Yat-cheng has a good reputation in the realm of personal security. He is invited by his buddy Ha Chung-chau to join a security company that is tasked with protecting a tycoon called Tseung Ding-tin. While starting his new job, Yat-cheung is faced with personnel issues. Meanwhile, due to his unhappy childhood, Yat-cheng does not believe in marriage. However, he happens to hook up with Yau Chi-ching. And Chi-ching then even starts working for the security company. Yat-cheng gradually has affectionate feelings for her. But the couple’s relationship has to overcome certain hurdles. Moreover, problems keep cropping up as Ding-tin’s son Cheuk-ting and his buddy Miu Shing-lam secretly return to Hong Kong. Shing-lam even keeps picking on Yat-cheng. While Yat-cheng and Chi-ching’s relationship gradually improves, Yat-cheng suspects Chi-ching has some ulterior motive as he somehow discovers her secret. The couple’s relationship is on the verge of breaking up.
楊日正在保鑣界享負盛名，獲好友夏中秋邀請，加盟負責保護富豪蔣定天的保安公司。日正新上任，面對不少人事問題。另一方面，因為不快的童年，令日正不相信婚姻，卻在此時邂逅游子澄，子澄後來更入職保安公司，日正對她漸生情愫，兩人的感情卻面臨重重考驗……此外，定天之子卓霆與好友苗成林秘密返港，惹出不少麻煩，成林更處處與日正作對。正當日正與子澄關係漸入佳境，卻發現她的秘密，懷疑她別有用心，二人關係瀕臨破裂……
