While Cynthia was in a fantasy world of her own making, wallowing in feelings of submission and enjoying being controlled, she was whisked away in the boy's van.
Obviously she was frightened but the boy declared he was going to put her through obedience training. When he said a phrase her husband used as a joke about a wife's obedience, she thought her husband had arranged an extravagant dirty weekend.
She went along with the boy's attempt to train her, finding it excited her feelings submission and a once hidden need to be controlled. She tried to resist a crush on the boy but he was stimulating deep feelings within her. He spanked her as part of the training regime to tame her and it was working. She was thirty-eight, a successful businesswoman running a company with her husband, yet she was submitting to a boy of twenty-one. He was certainly pushing all her buttons and exciting her.
Be warned that the humiliation gets rough as the story progresses.
There are scenes of explicit sex.