Suiran is married to a Japanese man and works at a small factory run by her husband. The factory accepts Asian technical intern trainees, and Suiran treats them with kindness from morning till night as their "mother." One day, she happens upon the intern Nguyen stroking his cock. Having not had sex with her much older husband for a while, Suiran can't forget Nguyen's rock hard cock... A forbidden love story that transcends borders between a Chinese wife and a young man!