O (Takashi Sorimachi) is a well known and feared assassin. He’s known to be the number one throughout Asia. After the horrid accident of loosing his love, Nacy. O becomes isolated and lonely. O soon hires a women to (whom works in a video store) clean his apartment. The women, Chin (Kelly Lin) has never met her new boss, every week she comes to this apartment and finds a list of chores left for her.

One day Chin meets a mysterious person in her video store, he always rents the same movies and he always wears masks of US Presidents. She soon confronts this man and asks why does he do this, he gives her a simple answer and then asks her out. Strangely enough Chin agrees to go out with him. This mystery man turns out to be a reckless assassin named, Lau Tok-Wah (Andy Lau). Chin isn’t startled by his living and she is even intrigued. (continue reading…)