Married to a Japanese man, Suilan works at her husband's small factory. The factory accepts Asian technical trainees, and Suilan kindly interacts with the young people from morning till night as their 'mother.' One day... she encounters Nguyen masturbating. Her sex life with her much older husband has grown cold, and Suilan can't forget Nguyen's stiff cock. A forbidden love story between a Chinese wife and a young man across borders！！
