Sienna, an apocalypse refugee, enters Eden Fortress to save her five-year-old daughter Millie from a zombie infection. There, she discovers that Damian, the powerful Warlord who rules Eden, is the mysterious stranger she had a one-night stand with six years ago. Worse, her son was stolen by the evil Vanessa, who raised him as her own. In the end, the truth comes out, and the family is finally reunited.