Step-mom, step-son and step-daughter just get home after having been at a party (family birthday or reunion or any random party, doesnt matter). step-mom (you) starts to ask progressively more detailed and inappropriate questions about their sex lives. step-Mom finds out that her step-son has never had sex, only blowjobs, and step-daughter hasnt even done that. step-Daughter admits she is bi.
step-Mom finally gets them to admit they are attracted to each other, and to step-mom as well. She suggests that she teach step-daughter about sex by showing her a few things with her step-son. They protest that it is incst and they shouldnt but step-mommy reassures them it is ok, and dirty talks about how hot it is that it is wrong. step-Mommy sucks and fucks her step-son while step-daughter watches and masturbates, and step-mommy dirty talks about what an incstuous little family they have, and all sorts of taboo incst talk. Use the word 'cunt', and stuff like 'the pussy you came from' and 'Are you watching your step-sister finger herself? That makes step-mommy so hot' etc. step-Mommy wants to show step-daughter how to please a woman too. She also says she cant wait to see step-son and step-daughter try out what she is showing them.
step-Son eventually finishes in step-Mommy's pussy, and the vid end with her telling step-daughter to come over and taste step-mom and step-son's incst straight from 'the cunt that made her
