Scarlett Pain & Sonya Sage: Scarlett's gonna get back at her stepsister for stealing her mp3 player. Missy Martinez & Aubrey Addams: While her stepsister is out of town, Aubrey is going to get to know her girlfriend. Alia Janine & Mellanie Monroe: Alia just wants to take some artsy photos of her girlfriend's stepsister, Mellanie. They'll be tasteful. Seriously. Danalea & Crissy Moon: Danalea checks in with her girlfriend's stepsister, Crissy, before bed.

"It all started with a friendly kiss, but it felt so good we didn't want to stop!"