Mio and her much older husband are a loving couple, but his erectile dysfunction leaves him unable to satisfy her. Driven by his sadistic, twisted desires, he recruits strangers online and arranges for them to gang-rape his wife while he watches. Mio tearfully submits to her beloved husband's request. Forced into humiliating poses and repeatedly violated by unknown men in front of him, she gradually discovers the masochistic desire she had kept hidden.