A group of teenagers sheltered from the dangers of the post-apocalyptic world receive a message that inspires them to leave the safety of the only home they have ever known and embark on a cross-country journey to save their father. Set in Nebraska 10 years after the zombie apocalypse, the limited series is the third television series in "The Walking Dead" franchise, and focuses on the first generation to come of age in the apocalypse. The teens struggle with their roles in the outside world; some will become heroes and others villains, but all of them will be changed forever.