Told through the eyes of sticky-fingered eight-year-old boy Big Ears, Echoes of the Rainbow takes place in a close-knit grassroots community in 1960s Hong Kong. Big Ears' mother and father run the neighborhood shoe store, and his older brother Desmond is every family's dream son - an outstanding athlete with grades worthy of Hong Kong's best school.

A police detective must solve a brutal murder to prove his partner's innocence and unearth the truth behind Hong Kong's police force. The investigation brings him to an unlikely collaboration with an inspector from the Narcotics Bureau, whose motives may not be what they seem.

The textbook definition of a good citizen is a person who works hard, helps others and respects the law. A night minivan driver witnesses a crime and chases the robber down an alley and confronts him. A bloody fistfight ensues. But when the shot cuts to his close-up in the confined space of the interrogation room, we find him looking ragged and unkempt, trying hard to give a coherent account of what had happened to a hostile plain clothes cop, wondering if it pays to be a good citizen when one becomes punished for one’s own good intentions.