Adam discovers that he and Hawa live in a different time. But Hawa has no idea. She is angry because she thinks Adam is a 14-year-old who is making fun of her, and throws her book away. Adam realizes that the Hawa living in his time must be on SPARC-1. He contacts his friend Jakob and asks him to look for Hawa there. Will Adam and Hawa find each other again?

Adam convinces Hawa that the two of them must change the course of history together. They will ensure that the virus never breaks out in her time, thus saving the world. Who was infected with the virus first? Hawa and Adam go together to look for patient zero.