The latest episode of Bungo Stray Dogs begins with a hint of mystery and intrigue, as a man is seen dragging a corpse onto a building and attacking it with a shovel. Then, the reason for Doppo Kunikida's imprisonment is explored, as he is accused of murdering a young girl. Ranpo, wearing a bear costume, visits Kunikida in prison and promises to help free him, believing that Fyodor has framed him.

As the episode progresses, Ranpo meets Edgar Allan Poe, who draws him into a fascinating mystery involving a murdered writer. The story takes an intriguing turn as Ranpo attempts to uncover the truth behind the murder and the mysterious Cleaner. The Cleaner, Oguri Mushitaro, possesses the unique ability "The Perfect Crime," which allows him to erase all evidence and traces of a crime, making it nearly impossible for Ranpo to solve the case.

Despite the seemingly insurmountable challenge, Ranpo's genius shines through as he focuses on the red envelope to unravel the mystery. He pieces together the clues and discovers that the Cleaner is also the murderer of the author, as this was the only way he could obtain both the envelope and the manuscript. The tension rises as Ranpo and Mushitaro face off in an exciting confrontation, leaving viewers eager to see how the story will unfold.

The episode is a delightful mix of nostalgia and suspense, showcasing Ranpo's skills as an established detective while tying back to events from the previous season. It sets the stage for the rest of the season and builds anticipation for what’s to come. The gripping plot and well-crafted mystery make this episode a must-watch for fans of the series.

Bungo Stray Dogs continues to captivate audiences with its unique blend of intriguing mysteries, memorable characters, and thrilling adventures. This episode masterfully lays the groundwork for future developments, leaving viewers on the edge of their seats as they eagerly await the next installment.