Mireille makes a living killing as an international assassin. Kirika is an amnesiac with uncanny speed and stealth. Under the codename Noir, these two young mistresses of semi-automatics and improvised weapons track and execute criminal syndicates across the globe as they hunt for clues to their connected pasts - but it is they who are actually being hunted.

Caught in the crosshairs of a centuries-old conspiracy, the deadly beauties of Noir aim to expose the secrets of the ancient society orchestrating their lives. Will Mireille and Kirika have a future after they learn the truth about their pasts?