In a crowded city like Hong Kong, former lovers often cross each other's path. One night, a former couple reunites for one night as they talk about their past, their present, and the possibility of a future. Elsewhere in the city, a laundry shop girl has a crush on a customer, carrying on her days fantasizing about adventures with an inanimate version of him. Meanwhile, Po runs into a childhood friend and reminisces about the days of him as a teenager and his own infatuation with his best friend's mother. Back in the present, Po is contacted by a stranger with a secret about two people they know very well…

Inspector Lam investigates the brutal murder of Tsui, a famous musician. Wong, the designated suspect, just spent 20 years in jail for the murder of Tsui's daughter but has always claimed his innocence.

Unemployed comic book artist Luk (6 Wing) is not having a good day. His girlfriend (Charmaine Fong) just left him, and he's off to pitch his latest work to a publisher that turns out be very sketchy. The editor (MC Jin) wants Luk to add more gratuitous violence and deaths to his story, which he does in amusing manner. After the meeting, Luk goes about his business as normal, but he finds that everywhere he goes he encounters strange conflicts that lead to gratuitous violence and deaths.

J and Jacky are good friends who attend the same school. J is from a single-parent family, and will be taken care by Jacky’s family whenever his mother has to return to Mainland to renew her visa; such kind of story is not an isolated case. These families have been uprooted for a “better future” in Hong Kong, but is this “future” that the children really long to have? A Chinese saying: “How does one understand the joy of fish, if one is not a fish?” Will the adults really understand what the children want?

Look out for the Karate Girl! Injustice has reigned over the quiet town of Shek O in Hong Kong. Chu Po is a young masked vigilante out to help those in need and kick a baddie’s ass. Just as her social-media popularity increases, so do her frequent injuries, as she learns that her beginner’s skills may be no match for those of more experienced fighters. Fate draws her to a local church infested with illicit drug-dealing activities. She soon realizes her connection to that church is more personal than expected as there’s a link to her family’s past. Should she simply stay in the shadows and pray for a miracle, or put her karate chops to good use?

The dream of a goldfish transforming back into its wild form stirs up her long-forgotten memories. She and the goldfish are both trapped in the city. When our soul is lost, where and how could we search for it?