For an impeccable gentleman's butler like Sebastian Michaelis, the word 'impossible' is just not in his vocabulary. Everything demanded of him under the English sun is well within his grasp. But do his talents extend to things under the scalding Indian sun?!
As Harold West Jeb's plan to use Agni, Prince Soma's superhuman butler, in a curry battle to win himself a Royal Warrant is exposed, along with his role in the attacks on Anglo-Indians throughout London, Earl Ciel Phantomhive sets Sebastian to the task of creating an incomparable curry to defeat the despicable trader.
But how can Sebastian possibly best Agni, the man with the Right Hand of God?! The Black Butler and the Yellow Butler face off in a climactic showdown!