Special Forces soldier and medic Walter River would give anything to snatch more than a few seconds of down time to see if he can rattle the no-nonsense and incredibly hot Dr. Lloyd he's protecting, but dodging explosions, snipers, and student radicals who've unleashed a lethal bio-engineered microorganism have made that almost impossible. Maybe he'll get a chance - if he can figure out how to keep them both alive.

Someone scratched a death threat in the paint of CDC nurse Kini Kerek's rental car. She's in Utah researching Hantavirus, but damaging rumors about the CDC have left residents suspicious and uncooperative. Thank goodness for former soldier Smoke, who's assigned to protect and help her navigate the isolated desert town as she races to identify a deadly virus. Memories from the combat zone leave ex-Special Forces soldier Lyle Smoke in a constant state of battle readiness, and he finds no solace. When he meets Kini Kerek, he discovers his heart isn't entirely dead.

CDC nurse Joy Oshiro is stressed to the breaking point. College students are dying and no one knows why. And her new partner, Dr. Gunner Anderson, is frustratingly annoying—and sexy, but mainly just plain annoying—and proving difficult to avoid. He spent three years with Doctors Without Borders, and disillusioned is just the tip of his issues. They'll need to learn to trust each other if they have a chance at figuring out who is behind the attacks. 

Dr. Carmen Rodrigues, CDC's Outbreak Task Force director, is on the hunt for a killer—an airborne virus spreading from Florida across the States, gaining traction with each passing moment. Although she'll never forget her one night with sexy bodyguard John Dozer in Afghanistan, his protective nature is one distraction she doesn't need right now.

Racing to lock down the CDC's deadly virus samples from terrorists, ex-Special Forces medic Henry Lee partners with Ruby Toth on the Outbreak Task Force. But the terrorists always seem one step ahead. As they work side by side, Henry's taken with how Ruby accepts and respects him, instead of...