The married older sister's relationship with her husband wasn't going well, so she returned to her parents' home. The younger sister knew why things weren't going well with her husband. The older sister didn't realize she was a lesbian. To make her realize, she started having lesbian sex with her older sister. As sisters, they knew each other's bodies inside and out, and the older sister began to feel it for real, becoming addicted to the pleasure of passionate lesbian kissing so much that there was no turning back.