Claiming falsely that her hypnosis lecturer has placed a trigger word in her subconscious that will force her to obey whoever will speak to her, Marianne responds enthusiastically when her boyfriend Barry - who has paid for the course - utters the word, and commands her to commit sensationally erotic acts. But when she learns that the trigger word is now working for real, Marianne finds herself pitched headlong into an enticingly dangerous new area of sexuality that she had never dreamed of before.