本作品是以某国的新手间谍为主人公的动作喜剧。这部作品描写了看似普通家庭的女儿南、父亲俊夫、母亲忍都是间谍的疑似家族的任务。有一天，从祖国接到了“获取某企业秘密进行的‘新人工培养脏器的开发’相关数据”的指令的“一家”。南作为推进开发的研究者的女儿·晴夏的家庭教师开始潜入。

The Sato family consists of their only daughter, Minami (Yurika Nakamura), her father, Toshio (Rutaro Koichi), and her mother, Shinobu (Sei Mahi). At first glance, the Sato family seems like a normal family, but they have a big secret that they cannot tell their neighbors. They are a pseudo-family with no blood ties, as Toshio is an intelligence operative, Shinobu is a sniper, and Minami is a skilled fighter who have infiltrated Japan as spies.