Because Liu Xing was recently fascinated with the "Three Kingdoms" game, he won the first place in the class in the historical stage examination. But the family thinks that Liu Xing cheated.
刘星因为最近迷上《三国》游戏，在历史阶段考试中得了班里的第一名。而家人却认为刘星作弊。刘梅还去到学校主动为刘星承认错误，至使刘星无颜去学校上学，于是他去找胡一统，胡一统劝他去学校。刘星觉得没有人相信他，很是伤心。夏东海发现了刘星对三国时代的历史很是了解，知道刘梅错怪了孩子。最后刘星得到奖励--吃大蟹虾，刘梅被罚喝蟹辣汤。
