CSP-04 (aka Four) was an experiment in creating the perfect assassin. After a glitch occurred while she was being programmed for her first solo mission, she found herself on the streets and on the run from her creators.
Then she fell through the Rift.
Disclaimer: Four is a fictional character developed for roleplay purposes at beyondtherift. I do not claim to own the Rift, nor do I claim to own Natalie Portman. Four, however, belongs to me.