This is a story, a bitter sweet story, of a tragic breakup of a truly loving family. The father dies in an accident spawned by a hurricane, and the stepmother takes on the onerous job of raising two sons.
The hero finally succumbs to her desire for a sexual relationship but when the younger stepson discovers the quasi incestuous relationship he rapes his stepmother. The ensuing emotional quagmire forces the two lovers closer together, and he finally realizes that she is a natural submissive, and the two lovers have a happy ending.
The sex is low key, but don't let that worry you, after all imagination is good for the mind!