An Iowa girl denies sex to her BF before he joins the Army. When he was killed she vows that she will never again deny sex to a virgin soldier. Moving to Chicago to live with her uncle and aunt she becomes friends with girls at work who volunteer at the USO and begins having sex with GIs in alleys nearby. Learning that these girls are entertaining troops this way her relatives offer their house as a refuge to support the effort.
In this likely final installment of the "Addie" saga ~ set 17 years after parts 1 and 2 ~ Jimmy not only learns that he may have impregnated his superannuated grandmother Addie yet again (with a fourth baby), but also impregnates his first two teenage daughters by Addie as well.
Single dads Ted and Mark take their daughters on vacation together. Amber and Stephanie notice that their lonely dads are often sporting erections, especially when playing with them in the pool. Neither girl wants her father to be lonely (or horny), so they decide to lend a hand.
When she was young, Elaina would often share the outdoor shower with her dad after a day on the beach. It was all very innocent, but seeing her father's 'penis', as she later found out it was called, left a lasting impression on her. As she got older, she wanted very much to see it again, and not just to see it...