Lost in a world reclaimed by nature and overrun by mysterious creatures, Ethan (Douglas Smith), a young man with amnesia navigates the dangerous landscape in search of his lost love Emma (Kimberly-Sue Murray). His journey takes an unexpected turn when he encounters Mae (Carrie-Anne Moss), a hardened and eccentric survivor. Together, Ethan and Mae face threats both human and otherwise before a fateful encounter with Kai (Frank Grillo) unravels a secret that lies just beyond Ethan's fractured memory.