Kirstie's budding sexuality is a source of much confusion for her. She finds herself drawn to both boys and girls, until Mia comes into her life that is, then she knows exactly what she wants.
Sisters Liz and Nat enjoy an above-ground backyard pool, inviting nerdy next-door neighbor Dan to join them. Nat is older, gorgeous, and the high school social queen, while Liz is heavy and feels overlooked. Dan, attracted to both sisters, thinks he has no chance with Nat, and soon he's partnered with Liz. Dan and Liz's deep intimacy is encouraged by Dan's single (and swinging) mother and the sisters' father. A simple teen romance explodes into lusty combinations.
Husband aroused with his perverted sexual fantasy to watch his gorgeous timid wife Monica ambivalent with his constant pressure to fuck a group of well-endowed black men while he records the hot action. She wanted more extreme, Jake a K9 trainer set up a fuck suck session. Monica wanted more Jake to introduce her to horse cock while husband recorded the action.
A cousin comes to stay with Ralf and his wife Wendy. She admits to being turned on by the man. The flirting goes to extremes resulting in Wendy confessing secrets she has kept for years. This leads to Wendy performing sex acts in front of her husband.
A night of watching "The Purge" leads to a question whose answer would change the brother/sister relationship that Julian had with his stepsister Marcy for good.