The submissive in this video is being trained to become a skilled cunilinguist by her dominant mistress. The mistress starts by teasing the submissive's clit with her fingers, making her moan in pleasure. The submissive is then tied up and her collar is put on, making her feel subservient to her mistress. The dominant mistress then starts to finger the submissive, making her reach orgasm after every stroke. The submissives body is then tied to a chain, making her completely subservient. The mistress then starts muff diving, using her tongue to stimulate the submissive. The submssive is then told to lick her boss's pussy, which she does with enthusiasm. The mistress continues to finger and lick the submissive until she reaches another orgasm. The video ends with the submissive being thanked for her hard work and being told she is now a skilled cunnilinguist. The video is a perfect example of BDSM bondage, with the submssives body being used as a tool to pleasure her mistress.