I want something that portrays a healthy BDSM relationship, they should be friends and equal partners outside of BDSM play. Basically the relationship should be everything 50 shades isn't.
"It's always consensual," says Jay Wiseman, author of SM 101. "Abuse is not." You don't need restraints, gags, or whips to abuse someone. In loving hands, the equipment heightens sensual excitement, allowing both players to enjoy their interaction, or "scene," as good, clean, erotic fun." When BDSM inflicts real pain, it's always carefully controlled with the submissive ("sub" or "bottom") specifying limits clearly beforehand.
First, participants agree on a "safe" word, a stop signal that the sub can invoke at any time. The safe word immediately stops the action—at least until the players have discussed the reason the bottom invoked it, and have mutually agree to resume. A popular safe word is "red light."
Some terms should not be used as safe words: "stop," "no," or "don't" because both tops and bottoms often enjoy having subs "beg" tops to "stop," secure in the knowledge that they won't.
Any top who fails to honor pre-arranged safe words violates the bottom's trust and destroys the relationship. Tops who fail to honor safe words are ostracized from the BDSM community.
The irony of BDSM is that the sub is in charge.
The focus should be on the relationship between the two women. The occasional friend joining (male or female) is fine. A three way relationship with all being women is fine as well, but any men should be occasional friends, not part of the relationship.
I'm not very picky about the type of BDSM. Off the top of my head, scat is my only hard NO.