When sixteen-year-old Kaelyn lets her best friend leave for school without saying goodbye, she never dreams that she might not see him again. But then a strange virus begins to sweep through her small island community, infecting young and old alike. As the dead pile up, the government quarantines the island: no one can leave, and no one can come back. Those still healthy must fight for the island's dwindling supplies, or lose all chance of survival. As everything familiar comes crashing down, Kaelyn joins forces with a former rival and discovers a new love in the midst of heartbreak. When the virus starts to rob her of friends and family, she clings to the belief that there must be a way to save the people she holds dearest. Because how will she go on if there isn't? Poignant and dizzying, is the heart-wrenching story of one girl's bravery and unbeatable spirit as she challenges not just her fears, but her sense of what makes life worth living.