When a fleecing scam goes wrong, the deaf-mute “Mao Ah” (Lan Xiya) finds herself sharing a prison cell with petty thief “Gai Yeuxiang” (Liying Zhao) who knows enough sign-language to be appointed her guardian by firm but kindly police officer “Deng Hong” (Ni Chuai). The former lass is initially very defensive, but quickly the pair begin to bond...