In a tiny settlement on the west coast of Greenland, 11-year-old Aleq and his best friend, frequent trespassers at a mining site exposed to mountains of long-buried and thawing permafrost, carry what they pick up back into their village, and from there Shepard’s harrowing and deeply moving story follows Aleq, one of the few survivors of the initial outbreak, through his identification and radical isolation as the likely index patient.