方兰(周迅饰)是一位热诚的小学教师,和妈妈(叶德娴饰)住在香港,在男友(霍建华饰)决定为日军工作时,与其分手。
An earnest primary-school teacher , Fang Lan ( Zhou Xun ) , lives with her mother ( Nina Paw ) in Hong Kong , and finds herself single when her boyfriend , Wing ( Wallace Huo Chienhwa ) , decides to work for the Japanese .