Zephyr Steel is not your average sixteen year old. She's an orphan and lives alone. She's an assassin that works for a secret branch of the government who's in charge of finishing off immediate threats. The branch is called Death Row, also known as DR. The assassins that work for Death Row are known as Executioners Being the best assassin and the most accomplished executioner, her assignment is to protect a certain boy from her school and to find his parents' murder and to end them. She is all business, no fun, no friends, can this boy change her ways and soften the stone cold assassin?