A training video set in a locked room. She is known as a haughty company secretary, yet secretly harbors a past of being thoroughly used by men. Because of this history, she remains unable to sever ties with them. Though she refuses to admit she has fallen, she maintains a firm attitude, refusing to flatter or submit, trying to preserve her contempt. However, fearing exposure of her scandal, she is forced against her will to obey the men's commands. She keeps telling herself, "My body may be violated, but my heart will not yield," yet the men see through her true nature with their words, ridiculing her as arrogant and deluded. Filled with despair, she stands before the camera, enduring insults and degradation, yet gradually becoming intoxicated by her own descent into being a mere sex toy. Through this process, she begins to reevaluate herself and discovers new emotions emerging. This intense training session in a sealed room deeply explores her inner psyche, realistically depicting how she spirals into submission.