Love and....An Assassin?

Caz is an average 19 year old just trying to begin his own life. He worked an average job, managed to get a stellar first house. But everything changes in just a few hours. Faye is a professional killer. After being an assassin for five years, she's managed to become one of the best. And now, her new target, a man named Marx, is some how connected to Caz, dragging him into the violence. But is there something more than meets the eye? Why would some average teenager be wanted by an assassin like Marx?