Mackenzie Mace and Mae Milano throw a luau for their stepdads, Mike Avery and Tony Rubino. But the two men catch their stepdaughters getting frisky in the backyard when they thought no one was around. Later on that day, Mike and Tony confront Mackenzie and Mae and ask them if maybe they’d be interested in continuing their little display of passion. Shocked at first, the girls aren’t sure if they’re into the idea, but they quickly get very into the taboo encounter after trying it out.