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.

Gab and Driss, childhood friends on bad terms since they left the orphanage, now have opposite lives - one is a cop with the IGPN, the other a fixer for thugs. When their first love dies in a suspicious accident, her 17-year-old daughter, Leïla, takes Gab's gun and sets off on the trail of a powerful organization willing to do anything to cover the case up. Forced to team up, the orphans must stop her before she crosses a line she can't return from...