Margaret Montoya and Tim Feely have been analyzing the infected body of Candice Walker, a crewmember of the Los Angeles, which attacked other ships in the Operation Wolf’s Head task force. They assumed Candice was part of the attacking crew but was there another reason she wound up among the casualties? Meanwhile, Murray Longworth has been tapped as a key advisor to President Blackmon. That relationship will put Murray in the crosshairs of a decision that could lead to World War III.

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Margaret Montoya was the person responsible for ordering the nuke strike on Detroit, an act that killed Dew Phillips, Perry Dawsey, and over a hundred thousand people. She’s carried that guilt with her nonstop ever since. Eric Edmund was injured when the submarine Los Angeles attacked the Operation Wolf Head task force. He’s brain dead, and the government has made his body available to Montoya for necessary human experimentation. Chief Petty Officer Orin Nagy, on the other hand, is very alive, very infected, and trying to avoid the cellulose test would show him as positive. Meanwhile, Steve Stanton’s robot the Platypus has closed in on the wreck of the Los Angeles and is waiting for instructions.

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The autopsy and analysis of Candice Walker and Wicked Charlie Petrovsky continue, and, finally, Tim Feely finds a clue that could lead to stopping the infection. Chief Petty Officer Orin Nagy is looking for the opposite of that, for a way to spread the disease. And on the Mary Ellen Moffett, Steve Stanton is about to find out the hard way that Bo Pan is not the doddering old fool he’s pretending to be.

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Margaret Montoya and Tim Feely are in a race against time to analyze the rapidly decomposing bodies of Wicked Charlie Petrovsky and Candice Walker — but are either of those corpses still infectious? Meanwhile, Clarence Otto’s investigation of the divers who recovered the vector continues. If they were completely sealed up for deep-water work, how did the infection get through to them? And, Chinese operative Bo Pan will give sleeper agent Steve Stanton a rude awakening about the stakes of their mission.

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Two divers brought up the remnant from the Los Angeles. One, Cantrel, is not infected, while the other, Clark, just tested positive. They are in BSL4 containment aboard the Carl Brashears, where Tim Feely, Margaret Montoya, and Clarence Otto are working to stop the disease’s spread. While Tim and Margaret analyze the black rot on the disease’s first two victims — Candice Walker and Crazy Charlie Petrovsky — Clarence must talk to Cantrel to find out what went wrong on that fateful dive.

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When the sub Los Angeles went rogue and attacked other ships in the Operation Wolf’s Head task force, there were many dead and many more wounded. US Navy personnel are still trying to process those in need, and they need to check each one for evidence of cellulose, a primary indicator of the disease that turns normal people into killers. The crew of the Mary Ellen Moffet is about to find out that Steve Stanton’s “Platypus” is far more advanced than they thought, and Margaret, Clarence, and Tim Feely are still hard at work trying to analyze the disease. What they find next will shatter their illusions.

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Margaret and Otto have just arrived on the USS Carl Brashear, a military cargo ship converted to be the biohazard research headquarters of Operation Wolf’s Head, the mission to find and analyze the wreckage of the Orbital.

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Margaret Montoya and Clarence Otto have been assigned to Operation Wolf’s Head to try and find out what happened to the Los Angeles, a nuclear sub converted to recovering the wreckage of the Orbital, an alien machine that started a deadly plague. Meanwhile, Steve Stanton and Bo Pan are also heading toward the watery grave of the Los Angeles. They are on board the Mary Ellen Moffet, a boat owned by Cooper Mitchell and Jeff Brockman, who have no idea their two passengers are sleeper agents for the Chinese government.

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Operation Wolf’s Head was a secret naval task force charged with recovering any wreckage from “the Orbital,” the hostile piece of alien tech responsible for a hideous outbreak that threatened to wipe out humanity. One of the ships in that task force, the nuclear sub, Los Angeles, fired upon and sank other ships before it was itself destroyed.

Two corpses from the Los Angeles tested positive for the infection caused by the Orbital five years earlier. Murray Longworth, head of the Department of Special Threats, assigned Margaret Montoya to that task force in hopes that her extensive knowledge of this contagion could help stop another potential outbreak. Meanwhile, Steve Stanton, a sleeper agent of the Chinese government, was activated by his handler. Steve has been preparing for years, waiting for a chance to find the Orbital’s remains. To make his plan work, he needs to hire a boat to take him out to the location of that battle.

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Margaret Montoya’s life has fallen apart. After saving the world, she’s spent years as the target of endless Internet outrage for her role in the tragedy of Detroit. Her life is in shambles, and she’s become a shut-in, staying in her house to hide away from the world. Her husband, Clarence Otto, was in the process of telling her their marriage was over when he got a call from Murray Longworth, the director of the Department of Special Threats. Now, Murray has come to her house to pay a visit — and it’s not a social call.

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