Mark's wife, her body aching for release, finds herself alone in their home. She tentatively touches herself, her fingers exploring her slick folds. Her breath hitches as she finds her sensitive spot, her hips moving instinctively. She pictures Mark, his strong hands replacing hers, and she moans softly, her pleasure building. She's so close when she hears Mark's key in the lock, and she quickly pulls her hand away, her face flushed with embarrassment and unfulfilled desire.