The story starts in Dakota Crescent, an old estate which is going to be reclaimed by the authorities for redevelopment. The story centres around three protagonists living in Dakota Crescent, Zhou Fa Da, Ye Xiao Ying and Zhang Wei Xiong. Big Brother Fa Da, Wei Xiong and Xiao Ying are the three musketeers of the neighborhood, people often refer to them as "The Heroes". Within ten years, Wei Xiong has become a capable lawyer, Xiao Ying now has a wife. During these ten years, Big brother left Dakota Crescent without a word. Nobody knows of his whereabouts, not even Wei Xiong. This led the neighbours into making wild speculations about his disappearance. Some said he was involved in a kidnapping case, other said that he was in prison. Ten years later, Big brother is finally back. He still retains his strong sense of justice and is prone to impulsiveness, hence turning the neighborhood upside down. However, he refuses to reveal the reasons behind his disappearance.

周发达外号“大哥大”，他好打抱不平，爱锄强扶弱，把左邻右舍闲事当自家事，该帮忙时就帮忙，该出手时就出手，讲义气、博感情，却又有点莽撞，做事喜欢不按牌理出牌，为人热心却嫌热心过头，乐于助人却总是愈帮愈忙，解决麻烦却制造更多麻烦。 叶晓英是周发达的堂叔，整天梦想飞黄腾达、一飞冲天，但是，却总是眼高手低，一事无成。他最厉害就是“避重就轻”，遇到麻烦事能避就避，能闪就闪，座右铭是：男人最大的威力不在拳头，而在舌头。一条能把死的说成活的舌头才能让你在事业和爱情上无往不利，问题是，他的事业和爱情总是“弊多于利”。 张伟雄的名字虽“威武”，却是个娇滴滴的女生。她母亲怀她时，超声波照出是个男的，她父亲找算命佬算了笔画，取了张伟雄这雄赳赳气昂昂的名字，想不到出了娘胎却是个女孩，只好“将错就错”。伟雄人如其名，有伟大的志向，雄赳赳的气概，是社区里的未来精英...