亚当夜总会的主人歌星钻石潘（林冲）十年前是珠宝大盗，现在已经改邪归正。但最近竟然有人利用他的标志「红色康乃馨」来行劫，包探长（梅欣）怀疑潘再犯案，邀请富家女达玲（何莉莉）帮忙捉拿潘，潘在达玲的怀疑下，努力为自已洗擦罪名，最终在园游晚会，钻石潘终于擒下假扮他到来打劫的飞贼，而飞贼的真正身份，令潘感到大为意外。达玲对潘误会尽释，两人更成为爱侣！

A jewel thief decides to turn over a new leaf. He starts anew as a professional singer; but before long, the he becomes suspect again for a series of robberies. He sets up a trap to snare the copycat thief, but will it snare him instead?