Juliet was an orphaned girl living on the streets. She was raised by a blacksmith named James, and was unaware about anything special about her. The only things she knew were that her parents were bruttaly murdered, and that she was handy with a knife.
But that all changes when she gets reunited with her two sisters. Aelia and Grace. People are after Juliet and they are willing to kill to get her.
Before his death, James sends the three girls to a spy camp. Where they can learn to fight, and can become spies. Spies, so they can figure out what the heck is going on