"F6 is determined to find out what really happened at the warehouse the night her best friend, F7, died. In order to do that, she needs to track down the men who were working with F7 that night.
What she quickly discovers is that she isn’t the only one looking for the men. She’s shocked to learn that every single one of them is missing. She’ll need to use every bit of her training if she’s going to be able to hunt them down before someone silences them forever."