The hook is intriguingly straightforward: in Blood Quantum, an infectious zombie disease spreads through the world, save for the residents of a Mi’kmaq community along the Québec-New Brunswick border who appear to be immune to the undeadly virus. In the post-apocalyptic remnants of their town, Sheriff Traylor (Michael Greyeyes) and his deputies guard the boundaries of their land against the violent hordes of “Zeds.”