The Chaste Doctor (Femdom, Chastity)

John has been locked in chastity for over a year, as it's what his wife wants and he is eager to please her. However, when she takes a lover, the dynamics of their relationship change, as she tries to push John beyond his limits. He accidentally confides in one of his female patients who turns out to be as cruel and manipulative as his wife. The question is will he ever get out of his cage?