Two years after she escaped a violent attack on her family, 16-year-old Becky attempts to rebuild her life in the care of an older woman -- a kindred spirit named Elena. However, when a violent group known as the Noble Men break into their home, attack them and take their beloved dog, Becky must return to her old ways to protect herself and her loved ones.
For more than a decade, parents Andy and Vicky have been on the run, desperate to hide their daughter Charlie from a shadowy federal agency that wants to harness her unprecedented gift for creating fire into a weapon of mass destruction. Andy has taught Charlie how to defuse her power, which is triggered by anger or pain. But as Charlie turns 11, the fire becomes harder and harder to control. After an incident reveals the family's location, a mysterious operative is deployed to hunt down the family and seize Charlie once and for all. Charlie has other plans.
In town for a job interview, a young woman arrives at her Airbnb late at night only to find that it has been mistakenly double-booked and a strange man is already staying there. Against her better judgement, she decides to stay the night anyway, but soon discovers that there is much more to be afraid of in the house than the other guest.