Hime Saisumi Almante, or the Purple-eyed Princess, has gained quite a reputation for herself as one of the best assassins in the world. In fact, she has been infamous for taking down the biggest gangster groups simula noong 11 years old pa lang siya.
So her family is giving her her most dangerous mission yet: Find whoever was taking down the agents of their organization in the Philippines. Wala pang agent ang nakakabalik nang buhay mula dito.
And it is in this mission that the Purple-eyed Princess will find herself in the crosshairs of the gangster leader Liryu, who holds crucial information about her mission and who slowly falls for her over the course of her mission.
In this adventure, Saisumi will find that the danger is in the last place she expected: her heart.