movie where guy makes a girl read letter while spanking heR

Thee Chonlathorn, a confident and accomplished CEO, is thrown off balance when his loyal secretary of nine years, Preem Primala, unexpectedly resigns. As he seeks answers, their journey uncovers hidden emotions and truths that could change their lives forever.

A young woman, recently released from a mental hospital, gets a job as a secretary to a demanding lawyer, where their employer-employee relationship turns into a sexual, sadomasochistic one.

Day in and day out, lovers Cynthia and Evelyn enact an elaborate sadomasochistic fantasy as mistress and maid. But as their ritual of domination and submission begins to turn stale, Cynthia yearns for something more conventional, while Evelyn tries to push their taboos even further.

Unable to clear his head through casual sex, Larry reads through his letters to Richard, his older lover set to be released from prison.

After reading a letter from a past lover, Belladonna is forced to face her innermost demons and confront the parts of herself that she has repressed.