Axel leads the surviving members of their group towards his old military base for shelter but finds it abandoned and in disrepair. With vampires closing in all around them, Axel decides they need a safer refuge and decides to go underground. Separated from Vanessa and the group, Mohamad tries to catch up while navigating hostile territory.

The group is trapped inside an underground lab for military experiments, and Vanessa discovers that Axel has been hiding a secret about her past; Mohamad befriends a girl who doesn't fear vampires; Rebecca makes a calculated play.