懵妹乃巨富爵士之獨(dú)女，承繼大筆遺產(chǎn)，下嫁大滾友，風(fēng)流成性，情婦無數(shù)。扮醒靚妹－懵妹之表妹，偶然機(jī)會，揭發(fā)楚原劣性，遂教懵妹騙走老公，出嚟滾靚仔，一于報(bào)復(fù)送綠帽老公戴。誰知！滾著……新扎師兄、龜公、憨居佬、咸濕佬、放蛇警官及黐線佬，最后更引來大賊綁架。

When Luna's family is killed in cold blood on a mountain vacation, she barely escapes, and has to discover she's been living a lie: Her dad was a Russian secret agent, and her family was just a front. Luna has the opportunity to flee the country. But first she wants revenge.

　　阿雄（郭富城 飾）在暑假期間在游艇會打工，在往返宿舍的路上有一幅巨型海報(bào)，報(bào)中人Michelle（關(guān)之琳 飾）正是阿雄夢中情人的模樣，雄便常?；孟肽芘c情人甜蜜約會。帥氣的雄使許多女孩子神魂顛倒，但他仍然鐘情于美麗的Michelle。沒想到夢中情人會出現(xiàn)在阿雄的面前，兩人漸漸熟絡(luò)，阿雄生活中處處幫忙Michelle。但Michelle覺得與對方的身份地位十分懸殊，關(guān)系無法進(jìn)一步發(fā)展。