鬼子的飛機(jī)炸死了去鎮(zhèn)上賣魚的爹媽。那年，姐姐大荷花十四歲，弟弟小荷花十一歲。爹媽死后，大荷花擔(dān)負(fù)起照顧弟弟。弟弟逢人就問(wèn)：“鬼子為啥炸死我爹媽”，沒(méi)有人能回答他。姐弟倆開始以自己的方式復(fù)仇。

　　A mad scientist grandfather invents a genetic transformation machine and his 4 year old grandson accidentally turns his body into that of a 30 year old man. Baby Bobby escapes and runs around town as his siblings try to catch him before their parents get back from vacation AND before the bad guys get to him first. The machine is worth a lot of money and they only have a day before the machine loses its capabilities to change baby bobby back.

　　在如今這個(gè)離婚率飛速增長(zhǎng)的年代，單親媽媽和單親爸爸早已經(jīng)不是什么稀罕的“物種”了，這不，吉姆（亞當(dāng)·桑德勒 Adam Sandler 飾）和勞倫（德魯·巴里摩爾 Drew Barrymore 飾）就分別是這龐大隊(duì)伍中的一員。一場(chǎng)相親讓本來(lái)毫無(wú)交集的兩人牽扯到了一起，沒(méi)想到，這場(chǎng)相親最終淪為了一場(chǎng)災(zāi)難，憤怒之中，兩人發(fā)誓一刀兩斷，永不再見(jiàn)。
　　然而，這個(gè)誓言的效力卻沒(méi)能夠持續(xù)多久，在一個(gè)前往非洲的旅行團(tuán)中，吉姆和勞倫再次相遇，這一次，湊到一起的不僅僅是他們兩人，還有他們各自古靈精怪的孩子們，一趟充滿了自由與野性的旅途中，會(huì)發(fā)生怎樣有趣的故事呢？吉姆和勞倫又該如何面對(duì)彼此之間根深蒂固的偏見(jiàn)與矛盾呢？