FAI's mother, FONG, was the first wife of TAI, the owner of a renown pharmaceutic company. Despite his marriage with his second wife, TAI still loves FONG deeply. One day, whilst delivering some medicine to FONG to cure her stomachache, TAI runs into FONG's father. Because of his second marriage, his father-in-law scolds him scathingly. Given no choice, TAI leaves. Seeing that her husband fails to convince her obstinate father, FONG sobes.