On her first day back to work, paramedic and new mother Ange Smith gets a call-out: a strangely intense suicidal woman in a business suit with a warning about impending doom.
Alone in an eerily empty Dublin, Ange races home to find her daughter - but Jeannie and her mother, Kathleen, aren't there.
Barely escaping the unknown death ripping through the streets, Ange tracks her mother's phone to the now abandoned local shopping centre.
Security guard Jonathan brings Ange to meet other Survivor, Martina