This season, as the harsh winter settles in, food and resources diminish, and residents of Pretty Lake are pushed to the limits of lawlessness, Wiley (Jennette McCurdy) and Adam (Jesse Carere) must fight harder to survive – whether it involves planning a daring escape or rebelling against the treacherous government. Amidst this struggle, a mysterious stranger, Liam Cullen (Steven Grayhm, The Family Tree), arrives in Pretty Lake with promise of a cure, leaving Wiley and Adam questioning his motivation. Another enigmatic outsider, Renee (Mercedes Morris, Forest Fairies), charges into Pretty Lake armed with a survivalist group, The Horde, who have been actively thriving off the grid in their own society. Ronnie (Kyle Mac, Carrie) is instantly attracted to this new, charismatic leader and finds himself entangled in Renee's drama.