Mike Avery notices his stepdaughter, Mackenzie Mace, stretching outside. Despite Mike's objections, Mackenzie insists she's 18 and enjoys jogging in her underwear. Seth Gamble, Mike's friend, discovers Mackenzie is exercising on her terrace. Seth makes love to Mackenzie, and they have sex. Mackenzie insists on returning inside, but she insists on having sex with Seth, ensuring Mike witnesses their actions when they pick up their game viewing.
