Black Butler - Season 2 - Eps 4: Terrorist Butler
When a nobleman’s son is kidnapped, the Queen orders Sebastian and Ciel to deliver the ransom. The exchange is to be made on a train, but a host of suspicious passengers - and an outbreak of cholera - complicate this mission of mercy.
About Black Butler

Title: Black Butler
First Air Date: 2008-10-02
Last Air Date: 2024-06-22
Status: Returning Series
Rating: 7.8/10 (from 215 votes)
Language: JA
Seasons: 6
Total Episodes: 61
Network: MBS AT-X Gunma TV Tokyo MX BS11 Tochigi TV
Genres: Animation, Comedy, Drama, Mystery, Sci-Fi & Fantasy
Production Companies: A-1 Pictures, CloverWorks, Yomiuri Telecasting Corporation, Aniplex, Square Enix, movic, MBS, Hakuhodo DY Media Partners, YOMIKO Advertising, Crunchyroll
Synopsis
In Victorian London, 12-year-old business magnate Ciel Phantomhive thwarts dangers to the queen as he's watched over by his demon butler, Sebastian.