After divorcing her abusive husband, Ping becomes overly protective towards her son. Her son gets more and more uncooperative and self-centered. Once, a man scolds her son on the bus for his misbehavior and blames Ping. In fact this man has his own problems.萍遭丈夫虐打而離婚，獨力撫養兒子黎奕忠，對他百般遷就。奕忠在公車上搗蛋，乘客強痛斥他沒有家教，萍深感難過。奕忠在學校操場拾到扭計骰，據為己有。萍勸他立刻回校交給老師，他不聽勸告，不斷奔跑而險生意外，萍只好作罷。強坐在床上，百無聊賴，玩著扭計骰，想起兒子李嘉豪，嘉豪缺乏管教而多次犯事......
