韩国演员赵镇雄和金成钧此次在《我们是兄弟》中饰演一对分别30年之久的兄弟,语言、生活习惯、思维方式、宗教信仰都完全不同的两人,但是刚相聚30分钟就把老妈给弄丢了,兄弟俩一起踏上寻母之路,有各种矛盾和搞笑的事情发生。Two brothers were separated at an orphanage. Years later, the brothers meet again and they try to find their mother. But, what really bother themselves is one is a buddhist's shaman and the other one is a christian's pastor.