In the life before this one

Cat was one of the most notorious gang leaders of the 21 century. Cunning, fearless and dangerous. Emily is the leader of the popular group at a boarding school. Pretty, smart, girly, seemingly perfect. But things are not as they seem. Cat has been missing for 5 years and Emily spends her nights target shooting yet tells her friends she can't stand guns. When James, cats old best friend is sent to a boarding school on a undercover mission two completely different worlds collide.