Harper and her sister Jessie embark on a cross-country road trip when Harper discovers she’s pregnant after a one-night-stand with a mysterious drifter named Miller. The sisters find themselves fighting for survival as they discover the thing growing inside Harper may not be human.
| Actor | Role |
|---|---|
 Daisy RidleyHarper | Harper |
 Sosie BaconJessie | Jessie |
 Simon RexMiller | Miller |