Atomica

In the near future, when communications go offline at a remote nuclear power plant isolated in the desert, a young safety inspector, Abby Dixon, is forced to fly out to bring them back online. Once inside the facility, mysterious clues and strange behaviors cause Abby to have doubts about the sanity, and perhaps identities, of the two employees onsite.

Atomica is a 2017 thriller sci-fi movie directed by Dagen Merrill, starring Tom Sizemore, Dominic Monaghan, Phil Austin. It holds an IMDb rating of 4.2/10 from 2,465 votes and runs 1h 21m.