From the depths of the Indian Ocean, a horrific plague has arisen to devastate humankind. But it is merely a harbinger of the doom that is to follow. Aboard a cruise liner transformed into a makeshift hospital, Dr. Lisa Cummings and Monk Kokkalis, operatives of SIGMA Force, search for answers to the bizarre affliction. But there are others with far less altruistic intentions. In a savage and sudden coup, terrorists hijack the vessel, turning a mercy...

"Gaia is dying. That, at least, is what Dr. Lionel Scott believe. A renowned expert in tropical and infectious diseases, Scott has witnessed the devastating impact of illness and turmoil at a critical state. While most are concerned about deadly disease, Scott knows that is truly humanity itself will destroy Gaia. When he disappears without a trace, Letty Davenport is tasked with tracking down any and all leads. As Letty begins to uncover startling...