During that summer, Bo (Mandy Tam), a cheerful and kind-hearted girl who lives on Fa Yuen Street in Mong Kok, meets Edward (Edward Chen), a wealthy young man with an estranged father, by chance. To retaliate against his father, Edward hires Bo and her friend Keung (Leung Chung Hang) to ruin his father’s wedding. Bo and Edward are increasingly drawn to each other and start dating. Falling head over heels in love, they think their love will last forever. Just as the couple think this is the love of a lifetime, life doesn’t always go the way they want……

When an honest company employee is falsely accused of being an accomplice to a robbery, and his wife dies through police incompetence, he seeks revenge by launching a one-man crime spree, starting with the abduction of his former boss's spoiled daughter. But she soon begins to understand his motives, and becomes his lover and willing accomplice.