that somehow, the will of millions of hong kongers would prevail over the might of beijing. ♪♪♪ [singinge] [singing in cantonese] bill: but what a difference a year makes. hong kong, once china's liberal outpost, has gone from a city of protest to a city of fear. male: [speaking foreign language] bill: covid restrictions have unexpectedly conspired with beijing's efforts to crush the protests and silence a city. and one by one, china's government is taking down those who resist, from billionaire tycoons to uni students. joshua wong: and now is not the time for us to kowtow to beijing and to surrender, thank you. claudia mo: the mood is a bit eerie. on the surface, hong kong is still quite so glamorous, quite so prosperous-looking, but then deep down it's rotting. bill: we join one young pro-democracy activist who's been forced underground. max mok: the atmosphere's different. it's a lot grimmer, and it's very-- it's become a lot harder to hold on to ho. bill: as dissent is crushed, hong kong activists face a tough choice: to stay or flee? prison or exile? max: this is the only thing i th