“文革”时期，女侦察员李安在破案中，发现原来认为的“罪犯”陈小小，竟是自己恋人路沙过去的女友。李安克制个人的感情，秉公执法，查明冤情，使陈小小得以平反，回到路沙身边。李安却默默地离开了。

 Li An is a scout during the Cultural Revolution (1966-1976). When she investigates a case, she finds that the so-called “criminal” Chen Xiaoxiao turns out to be the former girlfriend of her lover, Lu Sha. Restraining her sentiment, she enforces the law impartially and finally finds out the truth. After the redressing of her grievance, Chen Xiaoxiao comes to Lu Sha. However, Li An leaves quietly.