Michelle (Roberts) and Allen (Bracey) are in a relationship. They decide to invite their parents to finally meet about marriage. Turns out, the parents already know one another well, which leads to some differing opinions about marriage.。女儿要出国,从乡下请来母亲武大妈照看婚庆公司。外号疯子,民工李根宝和爱人匣子前来请公司安排婚礼,包工头却不批准,匣子生气回乡。为了帮助李根宝办成婚礼,武大妈下乡找人,被当成人贩子。武大妈还受了别的公司的骗,最后在全市人民的关心下,终于办成了民工集体婚礼。。妈妈生了重病,住进了医院,现已生命垂危。此时,阔别已久的爸爸终于现身。他焦急万分,又犹豫不决,最终他别无他法,只能选择把一双儿女都带在自己身边。然而,在妈妈此前为孩子们造梦的基础上,爸爸又将如何实现孩子们对于梦之城堡的幻想呢?。