Twain Narvaez, The most wanted international assassin, her boss decided to keep her in all boys school disguising as a teacher. She will be the teacher of Quadro Anti, obviously it's contain of four boys. One of them is the son of Director General officer. One of them is from Military blood. One of them is the grandson of the former President. and the last but not the least, One of them is the high paid chaser of criminals. So, what is the faith of Twain, the most wanted assassin inside the school when she's surrounded of people who hates criminals, like her. Is this her end? Or her beginning?

This is a story of an innocent beautiful young lady with an exceptional talent and skills, and a very dangerous captivating man with beastly attitude feared by everyone in mafia world. Let's find out how their world collides and how the beauty tamed the mafia beast.

D E A T H S E R I E S I Nakaratay lang sa ospital ng ilang buwan. Paggising, nakaumbok na ang tiyan.