Newly arrived in Hong Kong, language teacher Xiao-xue is fascinated by the mysterious dot graffiti around subway stations and tries to discover its meaning.
陈豪
as Wong Suet-chung
Meng Ting-yi
as Cao Xiao-xue
林子聰
as Fat Man
David Siu
as Daniel Wong
張雪芹
as Sin-yi
邵音音
as Headmaster Winnie Tsang
Crystal Cheung
as Helen
Patrick Wong
as Byron
Kit Mung
as Ka-yin
Alexander Charles Hochner
as Alan
Teresa Kwong
as Suet-chung's Mother
Jessie Zhang
as Bamboo
