因丈夫阿须田惠一(長谷川博己 饰)和同公司的OL发生不伦之恋并提出离婚,全职主妇风子(大家由祐子 饰)抛下四个孩子投河自杀。女主人的突然去世让长女结(忽那汐里 饰)、长男翔(中川大志 饰)、次男海斗(綾部守人 饰)、幼女希衣(本田望結 饰)不知所措,也让家里乱作一团。为了照顾孩子们的起居,惠一通过介绍所请来了家政妇三田灯(松嶋菜々子 饰)。这是一个没有笑容融通机器人一般的女人,她能记住AKB48全部成员的名字,会做诸多拿手好菜,几乎没有她不知道的事情。她完全忠于主人的命令,甚至杀人这样的事也会服从。三田的到来让濒临破败的阿须田一家发生巨大的变化…… 本片最终回创下30年以来的收视率纪录(40.0%)。Can a family hope to recover after losing their mother to suicide? Keiichi Asuda serves his wife, Nagiko divorce papers after he tells her that he intends to marry his mistress. The distraught Nagiko kills herself, leaving her family in turmoil. Keiichi hires Akari Mita to take care of the household. The highly efficient and organized Mita does everything for the Asuda household and helps the four kids - 17-year-old Yui, 14-year-old Kakeru, 12-year-old Kaito and 6-year-old Kii - heal their emotional wounds. But can Mita get over the pains of her own past to truly be a mother to them?