In Plump City, the main character's name is Jason, and he was kicked out of his house. The reason why he was kicked out is that his father caught him having sex with this stepmother. Now Jason lives with his mom, and she's a sexy, sensual Milf who oozes sex appeal. It seems that Jason can't escape the dirty thoughts that make him do filthy things. To make matters even worse, Jason now finds himself working in a lingerie shop.