Having gone into business as Noir, Mireille and Kirika take on their first job together- the assassination of a far right terrorist and his collaborator in the Peace Department.

Kirika and Mireille are in for a surprise when they find that another professional has already taken out their next target. Word on the streets is that Noir was the killer- do the rumours refer Kirika and Mireille, or is someone else using the same code name?

Kirika and Mireille's mission to destroy the Hang Yiban triad went awry when the Hang Yiban sent their own assassin- the ruthless Shaoli, to destroy Noir. Now, Mireille has been captured by the Hang Yiban, and Kirika must work with the mysterious Chloe to free her. But even if Mireille can be rescued, Noir still has the job of eliminating both the Hang Yiban leaders, and Shaoli herself…

Mireille and Kirika continue to chase leads that might help them locate a copy of the manuscript about the Soldats, unaware that the danger is greater than ever. For the Soldats council is fed up with playing Altena's games in which Kirika and Mireille are given ‘trials', and decide that now is the time to finish them off, once and for all…