What Lies Below (2020)

Fear comes to the surface.

★ 5.2 1h 28m Horror Science Fiction

A socially awkward teenager is blindsided when her mother introduces her to her new fiancée. At first, his charm, intelligence, and beauty seem too good to be true, and after a series of strange occurrences, the teenage daughter realizes that this new member of their family is not exactly who he seems.