Dear Detective: From Rampo with Love Episode 4

After locating Hatsunosuke, who had escaped from the scene of Gokuda's murder, Taro and Saburo are foiled in their pursuit when Hatsunosuke vanishes into the car of Sumeragi. Days later, Junji breaks the news of Hatsunosuke's demise, leaving Taro grief-stricken. But soon after, Saburo tells Taro that he has discovered the culprit's hideout and says, "Come if you can handle the poison. If you wish to see the dream of a detective, that is." The showdown draws near. (Source: nhk.or.jp)