In a dystopian world where the pop cultural phenomenon of zombies becomes a reality, two teenagers, Adrien and Marcus, have found shelter in an abandoned watchtower. Alone after Adrien's father left, allegedly to get supplies, the two are running low on food and rations, and their compound is surrounded by zombies. Surrounded by zombies, they contemplate how to get more supplies when they spy another living human out in the zombie-infested land below them. Adrien goes out on a quest to rescue the other survivor, with tragic consequences.