After the largest protest movement of Hong Kong in 2019, Hong Kong teenagers are oppressed by the China-Hong Kong government, over ten thousand protesters were arrested and over 40% are university and high school students…… A young girl Daisy is caught for drug trafficking. Agent Fai recalled a love murder case of a couple happened years ago: Daisy is the orphan of a couple. In 1997 (Hong Kong handover from British to China), 15-year-old schoolgirl Elisa fell in love with Wei, a member of gangster, and she gave birth to Daisy. However, the cruelly reality has turned Elisa's sweet home dream into an unbearable tragedy. The suffering youth and the regret of adult, their predicament is reflecting the fate of this city – Hong Kong.