In the second book of this series, pathologist Dr. Anna Cassini faces another crisis as she and her entire department must quarantine against a deadly COVID strain. She is without the support of the man she loves with all her heart - Dr. Michael Khuranjhani, who has been called away to be at his father's bedside overseas, and her anxiety is at its peak. Her coworkers all reach the end of their ropes as the stress of the quarantine is surmounted by four unexplained patient deaths. Who would be next?