In Los Angeles, FBI counterterrorism agent Quinn Traynor receives an urgent call from CDC agent, Madeline Hamilton. She’s discovered the first victim of a lethal, unfamiliar virus. Their joint investigation uncovers an imminent bio-terror attack and their only hope is to identify the terrorists carrying the disease. With just two days remaining before it’s too late, the FBI and the CDC race to prevent a pandemic. The ensuing nightmare will hit closer to home than they ever anticipated and one of them will pay an unimaginable price for protecting the country.