Asagao (Juri Ueno) is a rookie forensic scientist, who works at a university forensic medicine class in Kanagawa Prefecture. She is a licensed doctor and respected by those around her. Asagao lives with her father Taira (Saburo Tokito), who is a veteran detective. Asago's mother died in the 2011 Tohoku earthquake disaster and her mother’s body was never found.

One day, Asagao’s forensic medicine class unexpectedly works with the investigation section of the police department. When a dead body is found, the dead body is transferred to Asagao’s forensic medicine class. Asagao now works with her detective father.

　由日本放送电台节目《乃木坂46的All Night Nippon》人气环节诞生的著名角色“鹫尾小姐”将作为完全原创剧实现真人化。
　　该角色诞生于乃木坂46前成员、以东北乐天金鹰队热心粉丝著称的久保史绪里担任该节目主持人时期。节目中屡次出现一位虚构的热爱棒球的女孩，她热情洋溢地谈论乐天鹰队，人气高到甚至专门设立了为她构思角色设定的环节。根据听众的邮件，她的本名被定为“鹫尾史保”，连同家庭成员、口头禅等也逐一确定，角色形象逐渐成型，还曾被改编为漫画。

本剧改编自同名漫画，讲述了在昭和时代，四姐妹中的三女儿关谷夏美（芳根京子 饰）在樱花盛开的春日，因突如其来的一纸婚约，与帝国海军军官江端泷昌（本田响矢 饰）订婚。然而，就在婚礼当天，泷昌因工作无法到场，婚姻生活在“新郎缺席”的混乱开局中拉开序幕。两个对恋爱毫无经验、青涩纯真的年轻人，在困惑与摸索中，以“夫妻”这一纽带彼此牵绊、相互靠近，并逐渐培养出深厚的爱意。