辻刑事は兄であるシャーロックおじさんのだらしなさに呆れていた。そんな「弟の苦悩」を息子のガールフレンドであるカオリに吐露した辻刑事。やがて彼は年齢差を越えてカオリに惹かれていき、ついに妻・春江に対して離婚話を切り出した。実家へ帰る母と、これからカオリにプロポーズするという父の間で、タカシはどうする？
Detective Tsuji is appalled by the sloppiness of his older brother, Uncle Sherlock. Detective Tsuji expresses his distress to Kaori, his son's girlfriend. Eventually, Detective Tsuji became attracted to Kaori beyond the age difference and finally asked his wife, Harue, for a divorce. What will Takashi do when his mother returns home and his father is about to propose to Kaori?
