It had been a tough semester and I was glad to be home. I had missed my twin brother Tommy even though we were poles apart. I missed our little sister too not that she so little now of course. She was always this scrawny little thing with stick like arms and legs with horrible bony knees; now look at her with all her graceful curves.
Brenda, feeling neglected after a recent break-up, accidentally spies her younger brother getting changed and though she turns away, she can't get his hard body of her mind. In the meantime, Sean sees his petite sister nude and doesn't show the same restraint.
Highschooler Colt Winters is abducted by an aliens that are studying human behavior. Part of their study means bestowing each abductee a gift. With this gift, he is able to manipulate thoughts, desires, and the physical body. First Colt has some fun with his step-sister, Sheri, and then he targets the high school cheerleader, Leah.
A young girl is home alone while her parents are on vacation, and she decides to use the pool at her parents' cabin. But visitors arrive unexpectedly...