CDC researcher Alex's life is shattered when a devastating car accident leaves her trapped on a remote highway, teetering between life and death. As she drifts in and out of consciousness, she's forced to confront haunting choices from her past while fighting to survive her physical confinement. Her escape may be the difference between life and death not only for her, but for billions of people, as Alex holds the key to curing an ancient, world-ravaging bacteria.