Caleb, a former government assassin in hiding, who resurfaces when his protégé, the equally deadly killer known as Banshee, discovers a bounty has been placed on Caleb's head.

The call sign Banshee is well known in the world of professional killers: it is under him that Delilah, a former CIA agent who, after the death of her father, chose the path of a mercenary, works. Many years after her loss, she will have to enlist the help of her former mentor in order to finally achieve her long-awaited revenge.—Tango Papa