The only U.S. Marshal assigned to Antarctica, Carrie Stetko will soon leave the harsh environment behind for good – in three days, the sun will set and the Amundsen-Scott Research Station will shut down for the long winter. When a body is discovered out on the open ice, Carrie’s investigation into the continent’s first homicide plunges her deep into a mystery that may cost her her own life.

A 14th century Crusader returns with his comrade to a homeland devastated by the Black Plague. The Church commands the two knights to transport a witch to a remote abbey, where monks will perform a ritual in hopes of ending the pestilence.