After washing ashore in France, Daryl struggles to piece together how he got there and why, as he navigates a fractured, walker-infested landscape to find his way home. During his journey, Daryl has to protect a young boy, Laurent, who is seen as a messiah, while facing new, dangerous walker variants and the "Power of the Living" paramilitary group, as the connections he forms along the way complicate his plan to return home.

Sheriff's deputy Rick Grimes awakens from a coma to find a post-apocalyptic world dominated by flesh-eating zombies. He sets out to find his family and encounters many other survivors along the way.