Marked

Sixteen year-old Kara Nightingale’s ordinary life is suddenly turned upside-down when she dies in a freak accident, and she wakes up in a strange new world with a new career—as a rookie for the Guardian Angel Legion. Kara hurtles towards dangerous missions with the help of her Petty Officer and friend, David. But when she discovers a Mark on her leg, the Legion accuses her of being a spy.