A spy. That's what she is. A spy specializing in undercover missions. She has no name of her own, for it was denied to her before she even knew she could have had one. She has countless identities but none of her own. Agent Twilight. The Faceless Avenger. Agent Twilight then receives a new mission and she takes on the name of Natalya Rose. At eighteen years old she finds herself attending the International University of Science, Technology, Engineering and Mathematics, or IUSTEM. She needs to get close to Sebastian Knight in order to get to his criminal of a father. Rule #3: Never fall for the enemy. Sebastian Knight was the enemy's son, and therefore an enemy himself, right? She was only supposed to use him, but as every cliche goes, she falls. She falls hard. '.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'. Filled with unexpected twists and turns, Undercover Twilight is a story about how a nameless girl must survive in a world where identity is everything. In the end, she will have to make a life changing decision between love and the people she's known her entire life. But when shocking secrets come to light which makes that choice easier for her, who will she choose?