On the first day of 2007 a mysterious agent arrives in Hong Kong on an unspecified mission. Without a map and relying solely on his intuition, the Agent drifts, his encounters with activists, sidewalk shamans, a feng shui master, teenage hopefuls, artists, shopping arcades, ghost buses, psychedelic trains and red bean dumplings become intriguing clues with which to de-code the city and its inhabitants.