This is a Dominant Wife, submissive husband, male chastity and obedience, femdom sissification erotica.
Samantha is supposed to go shopping with a friend but realizes at the last minute that she needs to do the laundry. Having remained home without her husband's knowledge, she catches him pleasuring himself while watching a naughty video involving a dominatrix and a sissified male.
Peter, Samantha's busted husband, fails to convince his wife that it's not what it looks like. However, after scolding him, Samantha realizes that catching her husband in such a compromising situation has triggered an undiscovered passion within her. Peter's birthday is only a few days away and she decides to give him a present that'll reveal how much of a sissy he really is.