Secretary Trailer (2002)

Starring James Spader and Maggie Gyllenhaal in Secretary is a story about a young woman recently released from a mental hospital because she self-mutilates.

She gets a job as a secretary to a demanding lawyer where their employer-employee relationship turns into a sexual, sadomasochistic one. In this clip, who is the sadist and who is the masochist? What characterizes sadomasochistic behavior? What is hypoxiphilia?