Ben returns to his working place and tries to avoid his two “wives” from meeting each other. He also tells WAN SHUK HAN, his wife just coming back from the USA, that TING has come out of prison and is now in Hong Kong, to which HAN is surprised. Actually, Ben is CHUNG; HAN is a good friend of TING, but she had a love affair with CHUNG. Out of greed, CHUNG killed his twin brother, Ben, and fabricated the murder case on TING; after TING went to jail, HAN helped take care of their son and subsequently went to the USA to live their life with CHUNG, who took over the identity of Ben. When LEO discovers that he cannot discard the obsession that YING is not his biological daughter, TING comes and comforts him. After taking part in the birthday party in school, YING feels unwell. The next day, Susan goes and applies for sick leave for YING and she comes to know that other students also show signs of food poisoning……