Led by the pragmatic Thomas and the compassionate Maya, the community struggles to rebuild amidst dwindling resources and encroaching dangers. When a desperate mission to scavenge supplies at the Walker-infested Pevensey Castle turns tragic, Maya returns with salvation but burdened by loss. As Hastings grapples with its grief, the arrival of a mysterious caravan sparks suspicion, revealing a hidden cult worshipping the source of the undead plague.