The series premiered on June 12, 2025, on Syfy in the United States and CTV Sci-Fi Channel in Canada. In the rural town of Wausau, Wisconsin, the sudden resurrection of the recently deceased becomes known as Revival Day. Labelled "Revivers", the newly resurrected maintain their appearance, memories, and personalities from their previous lives but have gained regenerative healing abilities. While the town's residents grapple with the miraculous event, local police officer Dana Cypress investigates a murder mystery in which everyone, including both the living and the undead, is a suspect.