Hippopotamus (2018) Here

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.

After pretending to fall for Tom and having sex with him, Ruby attacks him with a mirror shard. She crawls out of the room, finds a boat, but collapses from exhaustion. The Ending Explained 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