Twelve top agents, one chance to save the world. Penny Hurst and her top secret team from F5 have what it takes to stop the bad guys. But, as the mission derails, and team members are picked off one by one, it becomes clear that there's a traitor in their midst. Somebody they trust wants the Saturn Germ' for their own purposes. Intense espionage action, plus the first appearance of Sandra Silke! This trade paperback collects all four issues of the F5 miniseries, plus the preview story from the F5 Origin one-shot.'