Plague

Plague is a 2014 Australian horror film directed by Kostas Ouzas and Nick Kozakis, written by Ouzas, and starring Tegan Crowley, Scott Marcus, and Steven Kennedy. After a zombie apocalypse, Evie (Crowley) and her husband John (Marcus) struggle to survive on their own. They receive help in the form of a resourceful stranger, Charlie (Kennedy), who shows up one day and offers to assist them. It had a private screening at the Astor Theatre in Melbourne on 29 October 2014 and premiered at the Fantastic Planet Sci-Fi, Horror, and Fantasy Film Festival on 22 November.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.