An elite office lady, Tina, who built her career at a young age. Her strict work ethic earns her respect from colleagues, but also stirs deep resentment in one middle-aged subordinate. The day after she harshly reprimands him at work, a suspicious hand suddenly reaches out from behind her on the morning train. Fingers slowly crawl across her body, leaving her frozen and unable to move. Helpless and unwilling, she is repeatedly brought to orgasm, until eventually she reaches what lies beyond...