Hippopotamus: (2018)

Tom uses a combination of care and psychological pressure to build rapport, while Ruby finds hidden notes in a book warning her about the situation.

It is eventually revealed that the "kidnapping" is part of a complex cycle. Tom claims to have "fixed" her and that this ordeal was the only way to gain her trust after she suffered a traumatic event—implied to be an assault by a man named Nick—that caused her memory loss. Hippopotamus (2018)

The final scene shows Ruby waking up in what appears to be a hospital room. A nurse (who is actually Tom in disguise) tells her she has had an accident and successful surgery, but warns her that she will suffer from short-term memory loss. He then mentions he will go get her "boyfriend," implying the entire basement cycle is about to restart. Tom uses a combination of care and psychological