In Wan Chai, Hong Kong, the husband of the electrical appliance store owner (played by Paw Hee Ching) died early. She and her sister raised their son A Lai (played by Jacky Cheung) together. But the latter is obsessed with detective novels all day long. He is still single at the age of 41 and often talks to his imaginary deceased father. At a blind date, A Lai met Ai Lian (played by Tang Wei), a salesperson in the sanitary ware store. At first, he was a little embarrassed, but later in the tea restaurant, the two chatted and laughed. However, Ai Lian has always missed her boyfriend A Xu (played by Andy On) who is in prison, so she just perfunctorily treated this marriage. A Lai also received an invitation from his ex-girlfriend (played by Maggie Cheung) to be a male model, and the two seemed to have rekindled their sparks. Although A Lai and Ai Lian had their own concerns, they met again on Hennessy Road. At the same time, the boss lady had a quarrel with her old lover (played by Danny Lee) because of the tax return. Moreover, she had been kept in the dark and witnessed A Xu and Ai Lian holding hands while shopping. Unable to withstand the blow, she completely collapsed and was admitted to the hospital. After that, the relationship between Alai and his ex-girlfriend, Ailian and Axu changed...