She is a calm and capable executive secretary in public, but a lascivious sex slave behind closed doors.

He is a domineering and aloof CEO in public, but a sex-addicted lunatic behind closed doors.

After more than ten days of BDSM training, Verna has been sinking and falling into darkness.

Years later, the man who trained her appeared again.

The first time Ronald saw Verna, he wanted to see her kneeling in front of him wearing a sexy collar.

For three years, he gradually lured her into the abyss.

After three years of waiting, she finally got him, got his heart.

It's a mutual unrequited love. The male lead is possessive and psychologically disturbed, and the female lead, though appearing innocent on the outside, is secretly lustful.