An entire world, mankind’s newest frontier, somehow made possible through a secret portal of unknown origins. Second Lieutenant Jerome Simmons is one of few to know about its existence. What was supposed to be a well-earned block of rest is cut short as he receives an urgent call to report to the last location he expected—the bitter fringes of the Antarctic. A clandestine base, a mysterious Rift, and a department full of reckless scientists are what awaits Jerome and his fireteam in this unexpected stint. Novel dangers loom overhead—local wildlife, complex indigenous civilizations, and more, in a world where the rules of survival are not so simple.