It seems like a simple job for Noir when they are hired by a widow to take revenge on her husband's killer. But when the job turns out to be a set-up, the tables are turned, and the hunters become the hunted. Can Kirika and Mireille hope to out-think their enemies and escape with their lives?

In exchange for a document that has a connection with the mysterious Soldats, Mireille and Kirika assassinate a Mafia Don. But the Mafia is well known for its revenge policies, and Noir soon find themselves the target of the ruthless Mafia princess known as the Intoccabile, a woman who Mireille has met long ago, and has cause to fear.