CHAN SUK MUI had a seafood stall to make a living for her three children. Her elder daughter CHOI LAI YUK was a famous DJ, who was dominant. She had been separated with her husband HO KWOK LIN, a doctor. After having a body check, LIN found MUI had dementia. He also knew MUI’s other two children were reluctant to look after her. YUK could not accept her mother had got such illness. LIN realized from YUK that there was a man, SUEN YIU KUEN, had chased after MUI after her husband was dead. However, YUK rejected and KUEN withdrew. LIN suggested to find KUEN. YUK refused and mocked at him that he was so enthusiastic just because he wanted to be with her again. LIN was angry. In order to ease everybody’s worry, MUI claimed that she was not ill. LIN was anxious and urged YUK to look at the problem. MUI suddenly disappeared and everyone looked for her……