The Guest (season 1)

Fran is a wealthy and successful businesswoman. Ria is a simple girl who doesn't know what she wants out of life. When Ria gets a job as a cleaner for Fran, she quickly finds common ground with her boss. But at some point, careless advice from an older friend leads Ria to shocking results. From then on, the women are united by a dark secret, and their relationship begins to resemble a game of cat and mouse.