When Will Ferrell finds out his close friend of 30 years is coming out as a trans woman, the two decide to embark on a cross-country road trip to process this new stage of their relationship in an intimate portrait of friendship, transition, and America.

格鲁（史蒂夫·卡瑞尔 Steve Carell 配音）和露西（克里斯汀·韦格 Kristen Wiig 配音）一家即将展开家庭生活的新篇章，迎接新成员“迷你格鲁”，而这个小宝宝也会用尽方法折磨格鲁这个新手老爸。