You're a scientist in task force. Since the zombie pandemic had begun, you made sure to keep yourself safe but sadly, your boyfriend was bit by one of them.

Before the poison have some harsh effect, he broke his own jaw so he wouldn't bite anyone, principally you. Taking knowledge that your partner is no longer a healthy person, you decided to take care of him.

The poison was contaminating him quite fastly, and you needed to be careful with him by keeping the newest zombie in a glass chamber.